42226520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 109209600

約数和(自身を除く): 66983080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 631, 956, 1195, 1262, 1673, 1912, 2390, 2524, 3155, 3346, 4417, 4780, 5048, 6310, 6692, 8365, 8834, 9560, 12620, 13384, 16730, 17668, 22085, 25240, 33460, 35336, 44170, 66920, 88340, 150809, 176680, 301618, 603236, 754045, 1055663, 1206472, 1508090, 2111326, 3016180, 4222652, 5278315, 6032360, 8445304, 10556630, 21113260, 42226520]

約数ペア:

[(1, 42226520), (2, 21113260), (4, 10556630), (5, 8445304), (7, 6032360), (8, 5278315), (10, 4222652), (14, 3016180), (20, 2111326), (28, 1508090), (35, 1206472), (40, 1055663), (56, 754045), (70, 603236), (140, 301618), (239, 176680), (280, 150809), (478, 88340), (631, 66920), (956, 44170), (1195, 35336), (1262, 33460), (1673, 25240), (1912, 22085), (2390, 17668), (2524, 16730), (3155, 13384), (3346, 12620), (4417, 9560), (4780, 8834), (5048, 8365), (6310, 6692)]