289324420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{26839}}^1$

素因数の和:26873

約数の個数: 72

約数和(自身を含む): 771059520

約数和(自身を除く): 481735100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 26839, 53678, 107356, 134195, 187873, 268390, 295229, 375746, 536780, 590458, 751492, 939365, 1180916, 1315111, 1476145, 1878730, 2066603, 2630222, 2952290, 3757460, 4133206, 5260444, 5904580, 6575555, 8266412, 10333015, 13151110, 14466221, 20666030, 26302220, 28932442, 41332060, 57864884, 72331105, 144662210, 289324420]

約数ペア:

[(1, 289324420), (2, 144662210), (4, 72331105), (5, 57864884), (7, 41332060), (10, 28932442), (11, 26302220), (14, 20666030), (20, 14466221), (22, 13151110), (28, 10333015), (35, 8266412), (44, 6575555), (49, 5904580), (55, 5260444), (70, 4133206), (77, 3757460), (98, 2952290), (110, 2630222), (140, 2066603), (154, 1878730), (196, 1476145), (220, 1315111), (245, 1180916), (308, 939365), (385, 751492), (490, 590458), (539, 536780), (770, 375746), (980, 295229), (1078, 268390), (1540, 187873), (2156, 134195), (2695, 107356), (5390, 53678), (10780, 26839)]