28429700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1197

約数の個数: 72

約数和(自身を含む): 69995520

約数和(自身を除く): 41565820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1151, 1235, 1300, 1900, 2302, 2470, 4604, 4940, 5755, 6175, 11510, 12350, 14963, 21869, 23020, 24700, 28775, 29926, 43738, 57550, 59852, 74815, 87476, 109345, 115100, 149630, 218690, 284297, 299260, 374075, 437380, 546725, 568594, 748150, 1093450, 1137188, 1421485, 1496300, 2186900, 2842970, 5685940, 7107425, 14214850, 28429700]

約数ペア:

[(1, 28429700), (2, 14214850), (4, 7107425), (5, 5685940), (10, 2842970), (13, 2186900), (19, 1496300), (20, 1421485), (25, 1137188), (26, 1093450), (38, 748150), (50, 568594), (52, 546725), (65, 437380), (76, 374075), (95, 299260), (100, 284297), (130, 218690), (190, 149630), (247, 115100), (260, 109345), (325, 87476), (380, 74815), (475, 59852), (494, 57550), (650, 43738), (950, 29926), (988, 28775), (1151, 24700), (1235, 23020), (1300, 21869), (1900, 14963), (2302, 12350), (2470, 11510), (4604, 6175), (4940, 5755)]