646711300

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{122021}}^1$

素因数の和:122088

約数の個数: 36

約数和(自身を含む): 1429853796

約数和(自身を除く): 783142496

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 122021, 244042, 488084, 610105, 1220210, 2440420, 3050525, 6101050, 6467113, 12202100, 12934226, 25868452, 32335565, 64671130, 129342260, 161677825, 323355650, 646711300]

約数ペア:

[(1, 646711300), (2, 323355650), (4, 161677825), (5, 129342260), (10, 64671130), (20, 32335565), (25, 25868452), (50, 12934226), (53, 12202100), (100, 6467113), (106, 6101050), (212, 3050525), (265, 2440420), (530, 1220210), (1060, 610105), (1325, 488084), (2650, 244042), (5300, 122021)]