3639260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 8228640

約数和(自身を除く): 4589380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 157, 190, 244, 305, 314, 380, 610, 628, 785, 1159, 1220, 1570, 2318, 2983, 3140, 4636, 5795, 5966, 9577, 11590, 11932, 14915, 19154, 23180, 29830, 38308, 47885, 59660, 95770, 181963, 191540, 363926, 727852, 909815, 1819630, 3639260]

約数ペア:

[(1, 3639260), (2, 1819630), (4, 909815), (5, 727852), (10, 363926), (19, 191540), (20, 181963), (38, 95770), (61, 59660), (76, 47885), (95, 38308), (122, 29830), (157, 23180), (190, 19154), (244, 14915), (305, 11932), (314, 11590), (380, 9577), (610, 5966), (628, 5795), (785, 4636), (1159, 3140), (1220, 2983), (1570, 2318)]