287796275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 398974464

約数和(自身を除く): 111178189

約数列:

[1, 5, 13, 25, 47, 65, 83, 227, 235, 325, 415, 611, 1079, 1135, 1175, 2075, 2951, 3055, 3901, 5395, 5675, 10669, 14755, 15275, 18841, 19505, 26975, 50713, 53345, 73775, 94205, 97525, 138697, 244933, 253565, 266725, 471025, 693485, 885527, 1224665, 1267825, 3467425, 4427635, 6123325, 11511851, 22138175, 57559255, 287796275]

約数ペア:

[(1, 287796275), (5, 57559255), (13, 22138175), (25, 11511851), (47, 6123325), (65, 4427635), (83, 3467425), (227, 1267825), (235, 1224665), (325, 885527), (415, 693485), (611, 471025), (1079, 266725), (1135, 253565), (1175, 244933), (2075, 138697), (2951, 97525), (3055, 94205), (3901, 73775), (5395, 53345), (5675, 50713), (10669, 26975), (14755, 19505), (15275, 18841)]