1688049220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53657}}^1$

素因数の和:53701

約数の個数: 72

約数和(自身を含む): 4196270232

約数和(自身を除く): 2508221012

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 6292, 7865, 15730, 31460, 53657, 107314, 214628, 268285, 536570, 590227, 697541, 1073140, 1180454, 1395082, 2360908, 2790164, 2951135, 3487705, 5902270, 6492497, 6975410, 7672951, 11804540, 12984994, 13950820, 15345902, 25969988, 30691804, 32462485, 38364755, 64924970, 76729510, 84402461, 129849940, 153459020, 168804922, 337609844, 422012305, 844024610, 1688049220]

約数ペア:

[(1, 1688049220), (2, 844024610), (4, 422012305), (5, 337609844), (10, 168804922), (11, 153459020), (13, 129849940), (20, 84402461), (22, 76729510), (26, 64924970), (44, 38364755), (52, 32462485), (55, 30691804), (65, 25969988), (110, 15345902), (121, 13950820), (130, 12984994), (143, 11804540), (220, 7672951), (242, 6975410), (260, 6492497), (286, 5902270), (484, 3487705), (572, 2951135), (605, 2790164), (715, 2360908), (1210, 1395082), (1430, 1180454), (1573, 1073140), (2420, 697541), (2860, 590227), (3146, 536570), (6292, 268285), (7865, 214628), (15730, 107314), (31460, 53657)]