421640380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 1041868800

約数和(自身を除く): 620228420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 79, 134, 140, 158, 268, 316, 335, 395, 469, 553, 569, 670, 790, 938, 1106, 1138, 1340, 1580, 1876, 2212, 2276, 2345, 2765, 2845, 3983, 4690, 5293, 5530, 5690, 7966, 9380, 10586, 11060, 11380, 15932, 19915, 21172, 26465, 37051, 38123, 39830, 44951, 52930, 74102, 76246, 79660, 89902, 105860, 148204, 152492, 179804, 185255, 190615, 224755, 266861, 314657, 370510, 381230, 449510, 533722, 629314, 741020, 762460, 899020, 1067444, 1258628, 1334305, 1573285, 2668610, 3011717, 3146570, 5337220, 6023434, 6293140, 12046868, 15058585, 21082019, 30117170, 42164038, 60234340, 84328076, 105410095, 210820190, 421640380]

約数ペア:

[(1, 421640380), (2, 210820190), (4, 105410095), (5, 84328076), (7, 60234340), (10, 42164038), (14, 30117170), (20, 21082019), (28, 15058585), (35, 12046868), (67, 6293140), (70, 6023434), (79, 5337220), (134, 3146570), (140, 3011717), (158, 2668610), (268, 1573285), (316, 1334305), (335, 1258628), (395, 1067444), (469, 899020), (553, 762460), (569, 741020), (670, 629314), (790, 533722), (938, 449510), (1106, 381230), (1138, 370510), (1340, 314657), (1580, 266861), (1876, 224755), (2212, 190615), (2276, 185255), (2345, 179804), (2765, 152492), (2845, 148204), (3983, 105860), (4690, 89902), (5293, 79660), (5530, 76246), (5690, 74102), (7966, 52930), (9380, 44951), (10586, 39830), (11060, 38123), (11380, 37051), (15932, 26465), (19915, 21172)]