16951900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 42837536

約数和(自身を除く): 25885636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 397, 427, 610, 700, 794, 854, 1220, 1525, 1588, 1708, 1985, 2135, 2779, 3050, 3970, 4270, 5558, 6100, 7940, 8540, 9925, 10675, 11116, 13895, 19850, 21350, 24217, 27790, 39700, 42700, 48434, 55580, 69475, 96868, 121085, 138950, 169519, 242170, 277900, 339038, 484340, 605425, 678076, 847595, 1210850, 1695190, 2421700, 3390380, 4237975, 8475950, 16951900]

約数ペア:

[(1, 16951900), (2, 8475950), (4, 4237975), (5, 3390380), (7, 2421700), (10, 1695190), (14, 1210850), (20, 847595), (25, 678076), (28, 605425), (35, 484340), (50, 339038), (61, 277900), (70, 242170), (100, 169519), (122, 138950), (140, 121085), (175, 96868), (244, 69475), (305, 55580), (350, 48434), (397, 42700), (427, 39700), (610, 27790), (700, 24217), (794, 21350), (854, 19850), (1220, 13895), (1525, 11116), (1588, 10675), (1708, 9925), (1985, 8540), (2135, 7940), (2779, 6100), (3050, 5558), (3970, 4270)]