128018870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4283}}^1$

素因数の和:4365

約数の個数: 48

約数和(自身を含む): 272513808

約数和(自身を除く): 144494938

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 2135, 2989, 4270, 4283, 5978, 8566, 14945, 21415, 29890, 29981, 42830, 59962, 149905, 209867, 261263, 299810, 419734, 522526, 1049335, 1306315, 1828841, 2098670, 2612630, 3657682, 9144205, 12801887, 18288410, 25603774, 64009435, 128018870]

約数ペア:

[(1, 128018870), (2, 64009435), (5, 25603774), (7, 18288410), (10, 12801887), (14, 9144205), (35, 3657682), (49, 2612630), (61, 2098670), (70, 1828841), (98, 1306315), (122, 1049335), (245, 522526), (305, 419734), (427, 299810), (490, 261263), (610, 209867), (854, 149905), (2135, 59962), (2989, 42830), (4270, 29981), (4283, 29890), (5978, 21415), (8566, 14945)]