209310840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 192

約数和(自身を含む): 727833600

約数和(自身を除く): 518522760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 71, 72, 76, 90, 95, 114, 120, 142, 152, 171, 180, 190, 213, 228, 284, 285, 342, 355, 360, 380, 426, 431, 456, 568, 570, 639, 684, 710, 760, 852, 855, 862, 1065, 1140, 1278, 1293, 1349, 1368, 1420, 1704, 1710, 1724, 2130, 2155, 2280, 2556, 2586, 2698, 2840, 3195, 3420, 3448, 3879, 4047, 4260, 4310, 5112, 5172, 5396, 6390, 6465, 6745, 6840, 7758, 8094, 8189, 8520, 8620, 10344, 10792, 12141, 12780, 12930, 13490, 15516, 16188, 16378, 17240, 19395, 20235, 24282, 24567, 25560, 25860, 26980, 30601, 31032, 32376, 32756, 38790, 40470, 40945, 48564, 49134, 51720, 53960, 60705, 61202, 65512, 73701, 77580, 80940, 81890, 91803, 97128, 98268, 121410, 122404, 122835, 147402, 153005, 155160, 161880, 163780, 183606, 196536, 242820, 244808, 245670, 275409, 294804, 306010, 327560, 367212, 368505, 459015, 485640, 491340, 550818, 581419, 589608, 612020, 734424, 737010, 918030, 982680, 1101636, 1162838, 1224040, 1377045, 1474020, 1744257, 1836060, 2203272, 2325676, 2754090, 2907095, 2948040, 3488514, 3672120, 4651352, 5232771, 5508180, 5814190, 6977028, 8721285, 10465542, 11016360, 11628380, 13954056, 17442570, 20931084, 23256760, 26163855, 34885140, 41862168, 52327710, 69770280, 104655420, 209310840]

約数ペア:

[(1, 209310840), (2, 104655420), (3, 69770280), (4, 52327710), (5, 41862168), (6, 34885140), (8, 26163855), (9, 23256760), (10, 20931084), (12, 17442570), (15, 13954056), (18, 11628380), (19, 11016360), (20, 10465542), (24, 8721285), (30, 6977028), (36, 5814190), (38, 5508180), (40, 5232771), (45, 4651352), (57, 3672120), (60, 3488514), (71, 2948040), (72, 2907095), (76, 2754090), (90, 2325676), (95, 2203272), (114, 1836060), (120, 1744257), (142, 1474020), (152, 1377045), (171, 1224040), (180, 1162838), (190, 1101636), (213, 982680), (228, 918030), (284, 737010), (285, 734424), (342, 612020), (355, 589608), (360, 581419), (380, 550818), (426, 491340), (431, 485640), (456, 459015), (568, 368505), (570, 367212), (639, 327560), (684, 306010), (710, 294804), (760, 275409), (852, 245670), (855, 244808), (862, 242820), (1065, 196536), (1140, 183606), (1278, 163780), (1293, 161880), (1349, 155160), (1368, 153005), (1420, 147402), (1704, 122835), (1710, 122404), (1724, 121410), (2130, 98268), (2155, 97128), (2280, 91803), (2556, 81890), (2586, 80940), (2698, 77580), (2840, 73701), (3195, 65512), (3420, 61202), (3448, 60705), (3879, 53960), (4047, 51720), (4260, 49134), (4310, 48564), (5112, 40945), (5172, 40470), (5396, 38790), (6390, 32756), (6465, 32376), (6745, 31032), (6840, 30601), (7758, 26980), (8094, 25860), (8189, 25560), (8520, 24567), (8620, 24282), (10344, 20235), (10792, 19395), (12141, 17240), (12780, 16378), (12930, 16188), (13490, 15516)]