91234040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 210924000

約数和(自身を除く): 119689960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 139, 244, 269, 278, 305, 488, 538, 556, 610, 695, 1076, 1112, 1220, 1345, 1390, 2152, 2440, 2690, 2780, 5380, 5560, 8479, 10760, 16409, 16958, 32818, 33916, 37391, 42395, 65636, 67832, 74782, 82045, 84790, 131272, 149564, 164090, 169580, 186955, 299128, 328180, 339160, 373910, 656360, 747820, 1495640, 2280851, 4561702, 9123404, 11404255, 18246808, 22808510, 45617020, 91234040]

約数ペア:

[(1, 91234040), (2, 45617020), (4, 22808510), (5, 18246808), (8, 11404255), (10, 9123404), (20, 4561702), (40, 2280851), (61, 1495640), (122, 747820), (139, 656360), (244, 373910), (269, 339160), (278, 328180), (305, 299128), (488, 186955), (538, 169580), (556, 164090), (610, 149564), (695, 131272), (1076, 84790), (1112, 82045), (1220, 74782), (1345, 67832), (1390, 65636), (2152, 42395), (2440, 37391), (2690, 33916), (2780, 32818), (5380, 16958), (5560, 16409), (8479, 10760)]