31217102780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{356441}}^1$

素因数の和:356630

約数の個数: 48

約数和(自身を含む): 68265771840

約数和(自身を除く): 37048669060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 580, 604, 755, 1510, 3020, 4379, 8758, 17516, 21895, 43790, 87580, 356441, 712882, 1425764, 1782205, 3564410, 7128820, 10336789, 20673578, 41347156, 51683945, 53822591, 103367890, 107645182, 206735780, 215290364, 269112955, 538225910, 1076451820, 1560855139, 3121710278, 6243420556, 7804275695, 15608551390, 31217102780]

約数ペア:

[(1, 31217102780), (2, 15608551390), (4, 7804275695), (5, 6243420556), (10, 3121710278), (20, 1560855139), (29, 1076451820), (58, 538225910), (116, 269112955), (145, 215290364), (151, 206735780), (290, 107645182), (302, 103367890), (580, 53822591), (604, 51683945), (755, 41347156), (1510, 20673578), (3020, 10336789), (4379, 7128820), (8758, 3564410), (17516, 1782205), (21895, 1425764), (43790, 712882), (87580, 356441)]