211931720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 256

約数和(自身を含む): 658022400

約数和(自身を除く): 446090680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 67, 70, 77, 79, 88, 91, 104, 110, 130, 134, 140, 143, 154, 158, 182, 220, 260, 268, 280, 286, 308, 316, 335, 364, 385, 395, 440, 455, 469, 520, 536, 553, 572, 616, 632, 670, 715, 728, 737, 770, 790, 869, 871, 910, 938, 1001, 1027, 1106, 1144, 1340, 1430, 1474, 1540, 1580, 1738, 1742, 1820, 1876, 2002, 2054, 2212, 2345, 2680, 2765, 2860, 2948, 3080, 3160, 3476, 3484, 3640, 3685, 3752, 4004, 4108, 4345, 4355, 4424, 4690, 5005, 5135, 5159, 5293, 5530, 5720, 5896, 6083, 6097, 6952, 6968, 7189, 7370, 8008, 8216, 8690, 8710, 9380, 9581, 10010, 10270, 10318, 10586, 11060, 11297, 12166, 12194, 14378, 14740, 17380, 17420, 18760, 19162, 20020, 20540, 20636, 21172, 22120, 22594, 24332, 24388, 25795, 26465, 28756, 29480, 30415, 30485, 34760, 34840, 35945, 37051, 38324, 40040, 41080, 41272, 42344, 45188, 47905, 48664, 48776, 51590, 52930, 56485, 57512, 58223, 60830, 60970, 67067, 68809, 71890, 74102, 76648, 79079, 90376, 95810, 103180, 105860, 112970, 116446, 121660, 121940, 134134, 137618, 143780, 148204, 158158, 185255, 191620, 206360, 211720, 225940, 232892, 243320, 243880, 268268, 275236, 287560, 291115, 296408, 316316, 335335, 344045, 370510, 383240, 395395, 407561, 451880, 465784, 481663, 536536, 550472, 582230, 632632, 670670, 688090, 741020, 756899, 790790, 815122, 963326, 1164460, 1341340, 1376180, 1482040, 1513798, 1581580, 1630244, 1926652, 2037805, 2328920, 2408315, 2682680, 2752360, 3027596, 3163160, 3260488, 3784495, 3853304, 4075610, 4816630, 5298293, 6055192, 7568990, 8151220, 9633260, 10596586, 15137980, 16302440, 19266520, 21193172, 26491465, 30275960, 42386344, 52982930, 105965860, 211931720]

約数ペア:

[(1, 211931720), (2, 105965860), (4, 52982930), (5, 42386344), (7, 30275960), (8, 26491465), (10, 21193172), (11, 19266520), (13, 16302440), (14, 15137980), (20, 10596586), (22, 9633260), (26, 8151220), (28, 7568990), (35, 6055192), (40, 5298293), (44, 4816630), (52, 4075610), (55, 3853304), (56, 3784495), (65, 3260488), (67, 3163160), (70, 3027596), (77, 2752360), (79, 2682680), (88, 2408315), (91, 2328920), (104, 2037805), (110, 1926652), (130, 1630244), (134, 1581580), (140, 1513798), (143, 1482040), (154, 1376180), (158, 1341340), (182, 1164460), (220, 963326), (260, 815122), (268, 790790), (280, 756899), (286, 741020), (308, 688090), (316, 670670), (335, 632632), (364, 582230), (385, 550472), (395, 536536), (440, 481663), (455, 465784), (469, 451880), (520, 407561), (536, 395395), (553, 383240), (572, 370510), (616, 344045), (632, 335335), (670, 316316), (715, 296408), (728, 291115), (737, 287560), (770, 275236), (790, 268268), (869, 243880), (871, 243320), (910, 232892), (938, 225940), (1001, 211720), (1027, 206360), (1106, 191620), (1144, 185255), (1340, 158158), (1430, 148204), (1474, 143780), (1540, 137618), (1580, 134134), (1738, 121940), (1742, 121660), (1820, 116446), (1876, 112970), (2002, 105860), (2054, 103180), (2212, 95810), (2345, 90376), (2680, 79079), (2765, 76648), (2860, 74102), (2948, 71890), (3080, 68809), (3160, 67067), (3476, 60970), (3484, 60830), (3640, 58223), (3685, 57512), (3752, 56485), (4004, 52930), (4108, 51590), (4345, 48776), (4355, 48664), (4424, 47905), (4690, 45188), (5005, 42344), (5135, 41272), (5159, 41080), (5293, 40040), (5530, 38324), (5720, 37051), (5896, 35945), (6083, 34840), (6097, 34760), (6952, 30485), (6968, 30415), (7189, 29480), (7370, 28756), (8008, 26465), (8216, 25795), (8690, 24388), (8710, 24332), (9380, 22594), (9581, 22120), (10010, 21172), (10270, 20636), (10318, 20540), (10586, 20020), (11060, 19162), (11297, 18760), (12166, 17420), (12194, 17380), (14378, 14740)]