403177540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{1019}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 862283520

約数和(自身を除く): 459105980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 271, 292, 365, 542, 730, 1019, 1084, 1355, 1460, 2038, 2710, 4076, 5095, 5420, 10190, 19783, 20380, 39566, 74387, 79132, 98915, 148774, 197830, 276149, 297548, 371935, 395660, 552298, 743870, 1104596, 1380745, 1487740, 2761490, 5522980, 20158877, 40317754, 80635508, 100794385, 201588770, 403177540]

約数ペア:

[(1, 403177540), (2, 201588770), (4, 100794385), (5, 80635508), (10, 40317754), (20, 20158877), (73, 5522980), (146, 2761490), (271, 1487740), (292, 1380745), (365, 1104596), (542, 743870), (730, 552298), (1019, 395660), (1084, 371935), (1355, 297548), (1460, 276149), (2038, 197830), (2710, 148774), (4076, 98915), (5095, 79132), (5420, 74387), (10190, 39566), (19783, 20380)]