210820190

素因数分解:

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

素因数の和:729

約数の個数: 64

約数和(自身を含む): 446515200

約数和(自身を除く): 235695010

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 79, 134, 158, 335, 395, 469, 553, 569, 670, 790, 938, 1106, 1138, 2345, 2765, 2845, 3983, 4690, 5293, 5530, 5690, 7966, 10586, 19915, 26465, 37051, 38123, 39830, 44951, 52930, 74102, 76246, 89902, 185255, 190615, 224755, 266861, 314657, 370510, 381230, 449510, 533722, 629314, 1334305, 1573285, 2668610, 3011717, 3146570, 6023434, 15058585, 21082019, 30117170, 42164038, 105410095, 210820190]

約数ペア:

[(1, 210820190), (2, 105410095), (5, 42164038), (7, 30117170), (10, 21082019), (14, 15058585), (35, 6023434), (67, 3146570), (70, 3011717), (79, 2668610), (134, 1573285), (158, 1334305), (335, 629314), (395, 533722), (469, 449510), (553, 381230), (569, 370510), (670, 314657), (790, 266861), (938, 224755), (1106, 190615), (1138, 185255), (2345, 89902), (2765, 76246), (2845, 74102), (3983, 52930), (4690, 44951), (5293, 39830), (5530, 38123), (5690, 37051), (7966, 26465), (10586, 19915)]