890604575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4391}}^1$

素因数の和:4488

約数の個数: 48

約数和(自身を含む): 1350627840

約数和(自身を除く): 460023265

約数列:

[1, 5, 7, 19, 25, 35, 61, 95, 133, 175, 305, 427, 475, 665, 1159, 1525, 2135, 3325, 4391, 5795, 8113, 10675, 21955, 28975, 30737, 40565, 83429, 109775, 153685, 202825, 267851, 417145, 584003, 768425, 1339255, 1874957, 2085725, 2920015, 5089169, 6696275, 9374785, 14600075, 25445845, 35624183, 46873925, 127229225, 178120915, 890604575]

約数ペア:

[(1, 890604575), (5, 178120915), (7, 127229225), (19, 46873925), (25, 35624183), (35, 25445845), (61, 14600075), (95, 9374785), (133, 6696275), (175, 5089169), (305, 2920015), (427, 2085725), (475, 1874957), (665, 1339255), (1159, 768425), (1525, 584003), (2135, 417145), (3325, 267851), (4391, 202825), (5795, 153685), (8113, 109775), (10675, 83429), (21955, 40565), (28975, 30737)]