388660640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:790

約数の個数: 96

約数和(自身を含む): 956841984

約数和(自身を除く): 568181344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 127, 155, 160, 248, 254, 310, 496, 508, 617, 620, 635, 992, 1016, 1234, 1240, 1270, 2032, 2468, 2480, 2540, 3085, 3937, 4064, 4936, 4960, 5080, 6170, 7874, 9872, 10160, 12340, 15748, 19127, 19685, 19744, 20320, 24680, 31496, 38254, 39370, 49360, 62992, 76508, 78359, 78740, 95635, 98720, 125984, 153016, 156718, 157480, 191270, 306032, 313436, 314960, 382540, 391795, 612064, 626872, 629920, 765080, 783590, 1253744, 1530160, 1567180, 2429129, 2507488, 3060320, 3134360, 4858258, 6268720, 9716516, 12145645, 12537440, 19433032, 24291290, 38866064, 48582580, 77732128, 97165160, 194330320, 388660640]

約数ペア:

[(1, 388660640), (2, 194330320), (4, 97165160), (5, 77732128), (8, 48582580), (10, 38866064), (16, 24291290), (20, 19433032), (31, 12537440), (32, 12145645), (40, 9716516), (62, 6268720), (80, 4858258), (124, 3134360), (127, 3060320), (155, 2507488), (160, 2429129), (248, 1567180), (254, 1530160), (310, 1253744), (496, 783590), (508, 765080), (617, 629920), (620, 626872), (635, 612064), (992, 391795), (1016, 382540), (1234, 314960), (1240, 313436), (1270, 306032), (2032, 191270), (2468, 157480), (2480, 156718), (2540, 153016), (3085, 125984), (3937, 98720), (4064, 95635), (4936, 78740), (4960, 78359), (5080, 76508), (6170, 62992), (7874, 49360), (9872, 39370), (10160, 38254), (12340, 31496), (15748, 24680), (19127, 20320), (19685, 19744)]