30919000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 84296160

約数和(自身を除く): 53377160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 631, 700, 875, 980, 1000, 1225, 1262, 1400, 1750, 1960, 2450, 2524, 3155, 3500, 4417, 4900, 5048, 6125, 6310, 7000, 8834, 9800, 12250, 12620, 15775, 17668, 22085, 24500, 25240, 30919, 31550, 35336, 44170, 49000, 61838, 63100, 78875, 88340, 110425, 123676, 126200, 154595, 157750, 176680, 220850, 247352, 309190, 315500, 441700, 552125, 618380, 631000, 772975, 883400, 1104250, 1236760, 1545950, 2208500, 3091900, 3864875, 4417000, 6183800, 7729750, 15459500, 30919000]

約数ペア:

[(1, 30919000), (2, 15459500), (4, 7729750), (5, 6183800), (7, 4417000), (8, 3864875), (10, 3091900), (14, 2208500), (20, 1545950), (25, 1236760), (28, 1104250), (35, 883400), (40, 772975), (49, 631000), (50, 618380), (56, 552125), (70, 441700), (98, 315500), (100, 309190), (125, 247352), (140, 220850), (175, 176680), (196, 157750), (200, 154595), (245, 126200), (250, 123676), (280, 110425), (350, 88340), (392, 78875), (490, 63100), (500, 61838), (631, 49000), (700, 44170), (875, 35336), (980, 31550), (1000, 30919), (1225, 25240), (1262, 24500), (1400, 22085), (1750, 17668), (1960, 15775), (2450, 12620), (2524, 12250), (3155, 9800), (3500, 8834), (4417, 7000), (4900, 6310), (5048, 6125)]