38708475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 73276560

約数和(自身を除く): 34568085

約数列:

[1, 3, 5, 13, 15, 25, 29, 37, 39, 65, 75, 87, 111, 145, 185, 195, 325, 377, 435, 481, 555, 725, 925, 975, 1073, 1131, 1369, 1443, 1885, 2175, 2405, 2775, 3219, 4107, 5365, 5655, 6845, 7215, 9425, 12025, 13949, 16095, 17797, 20535, 26825, 28275, 34225, 36075, 39701, 41847, 53391, 69745, 80475, 88985, 102675, 119103, 198505, 209235, 266955, 348725, 444925, 516113, 595515, 992525, 1046175, 1334775, 1548339, 2580565, 2977575, 7741695, 12902825, 38708475]

約数ペア:

[(1, 38708475), (3, 12902825), (5, 7741695), (13, 2977575), (15, 2580565), (25, 1548339), (29, 1334775), (37, 1046175), (39, 992525), (65, 595515), (75, 516113), (87, 444925), (111, 348725), (145, 266955), (185, 209235), (195, 198505), (325, 119103), (377, 102675), (435, 88985), (481, 80475), (555, 69745), (725, 53391), (925, 41847), (975, 39701), (1073, 36075), (1131, 34225), (1369, 28275), (1443, 26825), (1885, 20535), (2175, 17797), (2405, 16095), (2775, 13949), (3219, 12025), (4107, 9425), (5365, 7215), (5655, 6845)]