4355180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 9821280

約数和(自身を除く): 5466100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 157, 190, 292, 314, 365, 380, 628, 730, 785, 1387, 1460, 1570, 2774, 2983, 3140, 5548, 5966, 6935, 11461, 11932, 13870, 14915, 22922, 27740, 29830, 45844, 57305, 59660, 114610, 217759, 229220, 435518, 871036, 1088795, 2177590, 4355180]

約数ペア:

[(1, 4355180), (2, 2177590), (4, 1088795), (5, 871036), (10, 435518), (19, 229220), (20, 217759), (38, 114610), (73, 59660), (76, 57305), (95, 45844), (146, 29830), (157, 27740), (190, 22922), (292, 14915), (314, 13870), (365, 11932), (380, 11461), (628, 6935), (730, 5966), (785, 5548), (1387, 3140), (1460, 2983), (1570, 2774)]