278329040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28753}}^1$

素因数の和:28788

約数の個数: 60

約数和(自身を含む): 711316452

約数和(自身を除く): 432987412

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 28753, 57506, 115012, 143765, 230024, 287530, 316283, 460048, 575060, 632566, 1150120, 1265132, 1581415, 2300240, 2530264, 3162830, 3479113, 5060528, 6325660, 6958226, 12651320, 13916452, 17395565, 25302640, 27832904, 34791130, 55665808, 69582260, 139164520, 278329040]

約数ペア:

[(1, 278329040), (2, 139164520), (4, 69582260), (5, 55665808), (8, 34791130), (10, 27832904), (11, 25302640), (16, 17395565), (20, 13916452), (22, 12651320), (40, 6958226), (44, 6325660), (55, 5060528), (80, 3479113), (88, 3162830), (110, 2530264), (121, 2300240), (176, 1581415), (220, 1265132), (242, 1150120), (440, 632566), (484, 575060), (605, 460048), (880, 316283), (968, 287530), (1210, 230024), (1936, 143765), (2420, 115012), (4840, 57506), (9680, 28753)]