290310832

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 663957504

約数和(自身を除く): 373646672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 191, 287, 328, 331, 382, 574, 656, 662, 764, 1148, 1324, 1337, 1528, 2296, 2317, 2648, 2674, 3056, 4592, 4634, 5296, 5348, 7831, 9268, 10696, 13571, 15662, 18536, 21392, 27142, 31324, 37072, 54284, 54817, 62648, 63221, 94997, 108568, 109634, 125296, 126442, 189994, 217136, 219268, 252884, 379988, 438536, 442547, 505768, 759976, 877072, 885094, 1011536, 1519952, 1770188, 2592061, 3540376, 5184122, 7080752, 10368244, 18144427, 20736488, 36288854, 41472976, 72577708, 145155416, 290310832]

約数ペア:

[(1, 290310832), (2, 145155416), (4, 72577708), (7, 41472976), (8, 36288854), (14, 20736488), (16, 18144427), (28, 10368244), (41, 7080752), (56, 5184122), (82, 3540376), (112, 2592061), (164, 1770188), (191, 1519952), (287, 1011536), (328, 885094), (331, 877072), (382, 759976), (574, 505768), (656, 442547), (662, 438536), (764, 379988), (1148, 252884), (1324, 219268), (1337, 217136), (1528, 189994), (2296, 126442), (2317, 125296), (2648, 109634), (2674, 108568), (3056, 94997), (4592, 63221), (4634, 62648), (5296, 54817), (5348, 54284), (7831, 37072), (9268, 31324), (10696, 27142), (13571, 21392), (15662, 18536)]