8878870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 21482496

約数和(自身を除く): 12603626

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 887, 910, 1001, 1430, 1774, 2002, 4435, 5005, 6209, 8870, 9757, 10010, 11531, 12418, 19514, 23062, 31045, 48785, 57655, 62090, 68299, 80717, 97570, 115310, 126841, 136598, 161434, 253682, 341495, 403585, 634205, 682990, 807170, 887887, 1268410, 1775774, 4439435, 8878870]

約数ペア:

[(1, 8878870), (2, 4439435), (5, 1775774), (7, 1268410), (10, 887887), (11, 807170), (13, 682990), (14, 634205), (22, 403585), (26, 341495), (35, 253682), (55, 161434), (65, 136598), (70, 126841), (77, 115310), (91, 97570), (110, 80717), (130, 68299), (143, 62090), (154, 57655), (182, 48785), (286, 31045), (385, 23062), (455, 19514), (715, 12418), (770, 11531), (887, 10010), (910, 9757), (1001, 8870), (1430, 6209), (1774, 5005), (2002, 4435)]