289071280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{509}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 698169600

約数和(自身を除く): 409098320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 229, 248, 310, 458, 496, 509, 620, 916, 1018, 1145, 1240, 1832, 2036, 2290, 2480, 2545, 3664, 4072, 4580, 5090, 7099, 8144, 9160, 10180, 14198, 15779, 18320, 20360, 28396, 31558, 35495, 40720, 56792, 63116, 70990, 78895, 113584, 116561, 126232, 141980, 157790, 233122, 252464, 283960, 315580, 466244, 567920, 582805, 631160, 932488, 1165610, 1262320, 1864976, 2331220, 3613391, 4662440, 7226782, 9324880, 14453564, 18066955, 28907128, 36133910, 57814256, 72267820, 144535640, 289071280]

約数ペア:

[(1, 289071280), (2, 144535640), (4, 72267820), (5, 57814256), (8, 36133910), (10, 28907128), (16, 18066955), (20, 14453564), (31, 9324880), (40, 7226782), (62, 4662440), (80, 3613391), (124, 2331220), (155, 1864976), (229, 1262320), (248, 1165610), (310, 932488), (458, 631160), (496, 582805), (509, 567920), (620, 466244), (916, 315580), (1018, 283960), (1145, 252464), (1240, 233122), (1832, 157790), (2036, 141980), (2290, 126232), (2480, 116561), (2545, 113584), (3664, 78895), (4072, 70990), (4580, 63116), (5090, 56792), (7099, 40720), (8144, 35495), (9160, 31558), (10180, 28396), (14198, 20360), (15779, 18320)]