217594020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 192

約数和(自身を含む): 725630976

約数和(自身を除く): 508036956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 73, 84, 94, 105, 140, 141, 146, 151, 188, 210, 219, 235, 282, 292, 302, 329, 365, 420, 438, 453, 470, 511, 564, 604, 658, 705, 730, 755, 876, 906, 940, 987, 1022, 1057, 1095, 1316, 1410, 1460, 1510, 1533, 1645, 1812, 1974, 2044, 2114, 2190, 2265, 2555, 2820, 3020, 3066, 3171, 3290, 3431, 3948, 4228, 4380, 4530, 4935, 5110, 5285, 6132, 6342, 6580, 6862, 7097, 7665, 9060, 9870, 10220, 10293, 10570, 11023, 12684, 13724, 14194, 15330, 15855, 17155, 19740, 20586, 21140, 21291, 22046, 24017, 28388, 30660, 31710, 33069, 34310, 35485, 41172, 42582, 44092, 48034, 49679, 51465, 55115, 63420, 66138, 68620, 70970, 72051, 77161, 85164, 96068, 99358, 102930, 106455, 110230, 120085, 132276, 141940, 144102, 149037, 154322, 165345, 198716, 205860, 212910, 220460, 231483, 240170, 248395, 288204, 298074, 308644, 330690, 360255, 385805, 425820, 462966, 480340, 496790, 518081, 596148, 661380, 720510, 745185, 771610, 925932, 993580, 1036162, 1157415, 1441020, 1490370, 1543220, 1554243, 2072324, 2314830, 2590405, 2980740, 3108486, 3626567, 4629660, 5180810, 6216972, 7253134, 7771215, 10361620, 10879701, 14506268, 15542430, 18132835, 21759402, 31084860, 36265670, 43518804, 54398505, 72531340, 108797010, 217594020]

約数ペア:

[(1, 217594020), (2, 108797010), (3, 72531340), (4, 54398505), (5, 43518804), (6, 36265670), (7, 31084860), (10, 21759402), (12, 18132835), (14, 15542430), (15, 14506268), (20, 10879701), (21, 10361620), (28, 7771215), (30, 7253134), (35, 6216972), (42, 5180810), (47, 4629660), (60, 3626567), (70, 3108486), (73, 2980740), (84, 2590405), (94, 2314830), (105, 2072324), (140, 1554243), (141, 1543220), (146, 1490370), (151, 1441020), (188, 1157415), (210, 1036162), (219, 993580), (235, 925932), (282, 771610), (292, 745185), (302, 720510), (329, 661380), (365, 596148), (420, 518081), (438, 496790), (453, 480340), (470, 462966), (511, 425820), (564, 385805), (604, 360255), (658, 330690), (705, 308644), (730, 298074), (755, 288204), (876, 248395), (906, 240170), (940, 231483), (987, 220460), (1022, 212910), (1057, 205860), (1095, 198716), (1316, 165345), (1410, 154322), (1460, 149037), (1510, 144102), (1533, 141940), (1645, 132276), (1812, 120085), (1974, 110230), (2044, 106455), (2114, 102930), (2190, 99358), (2265, 96068), (2555, 85164), (2820, 77161), (3020, 72051), (3066, 70970), (3171, 68620), (3290, 66138), (3431, 63420), (3948, 55115), (4228, 51465), (4380, 49679), (4530, 48034), (4935, 44092), (5110, 42582), (5285, 41172), (6132, 35485), (6342, 34310), (6580, 33069), (6862, 31710), (7097, 30660), (7665, 28388), (9060, 24017), (9870, 22046), (10220, 21291), (10293, 21140), (10570, 20586), (11023, 19740), (12684, 17155), (13724, 15855), (14194, 15330)]