18707100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 54663168

約数和(自身を除く): 35956068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 491, 508, 635, 762, 982, 1270, 1473, 1524, 1905, 1964, 2455, 2540, 2946, 3175, 3810, 4910, 5892, 6350, 7365, 7620, 9525, 9820, 12275, 12700, 14730, 19050, 24550, 29460, 36825, 38100, 49100, 62357, 73650, 124714, 147300, 187071, 249428, 311785, 374142, 623570, 748284, 935355, 1247140, 1558925, 1870710, 3117850, 3741420, 4676775, 6235700, 9353550, 18707100]

約数ペア:

[(1, 18707100), (2, 9353550), (3, 6235700), (4, 4676775), (5, 3741420), (6, 3117850), (10, 1870710), (12, 1558925), (15, 1247140), (20, 935355), (25, 748284), (30, 623570), (50, 374142), (60, 311785), (75, 249428), (100, 187071), (127, 147300), (150, 124714), (254, 73650), (300, 62357), (381, 49100), (491, 38100), (508, 36825), (635, 29460), (762, 24550), (982, 19050), (1270, 14730), (1473, 12700), (1524, 12275), (1905, 9820), (1964, 9525), (2455, 7620), (2540, 7365), (2946, 6350), (3175, 5892), (3810, 4910)]