81490350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31957}}^1$

素因数の和:31989

約数の個数: 48

約数和(自身を含む): 213990768

約数和(自身を除く): 132500418

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 31957, 63914, 95871, 159785, 191742, 319570, 479355, 543269, 798925, 958710, 1086538, 1597850, 1629807, 2396775, 2716345, 3259614, 4793550, 5432690, 8149035, 13581725, 16298070, 27163450, 40745175, 81490350]

約数ペア:

[(1, 81490350), (2, 40745175), (3, 27163450), (5, 16298070), (6, 13581725), (10, 8149035), (15, 5432690), (17, 4793550), (25, 3259614), (30, 2716345), (34, 2396775), (50, 1629807), (51, 1597850), (75, 1086538), (85, 958710), (102, 798925), (150, 543269), (170, 479355), (255, 319570), (425, 191742), (510, 159785), (850, 95871), (1275, 63914), (2550, 31957)]