4195580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 9478560

約数和(自身を除く): 5282980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 181, 190, 244, 305, 362, 380, 610, 724, 905, 1159, 1220, 1810, 2318, 3439, 3620, 4636, 5795, 6878, 11041, 11590, 13756, 17195, 22082, 23180, 34390, 44164, 55205, 68780, 110410, 209779, 220820, 419558, 839116, 1048895, 2097790, 4195580]

約数ペア:

[(1, 4195580), (2, 2097790), (4, 1048895), (5, 839116), (10, 419558), (19, 220820), (20, 209779), (38, 110410), (61, 68780), (76, 55205), (95, 44164), (122, 34390), (181, 23180), (190, 22082), (244, 17195), (305, 13756), (362, 11590), (380, 11041), (610, 6878), (724, 5795), (905, 4636), (1159, 3620), (1220, 3439), (1810, 2318)]