4019470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 9078048

約数和(自身を除く): 5058578

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 631, 637, 910, 1262, 1274, 3155, 3185, 4417, 6310, 6370, 8203, 8834, 16406, 22085, 30919, 41015, 44170, 57421, 61838, 82030, 114842, 154595, 287105, 309190, 401947, 574210, 803894, 2009735, 4019470]

約数ペア:

[(1, 4019470), (2, 2009735), (5, 803894), (7, 574210), (10, 401947), (13, 309190), (14, 287105), (26, 154595), (35, 114842), (49, 82030), (65, 61838), (70, 57421), (91, 44170), (98, 41015), (130, 30919), (182, 22085), (245, 16406), (455, 8834), (490, 8203), (631, 6370), (637, 6310), (910, 4417), (1262, 3185), (1274, 3155)]