220852380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{525839}}^1$

素因数の和:525858

約数の個数: 48

約数和(自身を含む): 706728960

約数和(自身を除く): 485876580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 525839, 1051678, 1577517, 2103356, 2629195, 3155034, 3680873, 5258390, 6310068, 7361746, 7887585, 10516780, 11042619, 14723492, 15775170, 18404365, 22085238, 31550340, 36808730, 44170476, 55213095, 73617460, 110426190, 220852380]

約数ペア:

[(1, 220852380), (2, 110426190), (3, 73617460), (4, 55213095), (5, 44170476), (6, 36808730), (7, 31550340), (10, 22085238), (12, 18404365), (14, 15775170), (15, 14723492), (20, 11042619), (21, 10516780), (28, 7887585), (30, 7361746), (35, 6310068), (42, 5258390), (60, 3680873), (70, 3155034), (84, 2629195), (105, 2103356), (140, 1577517), (210, 1051678), (420, 525839)]