489320240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149183}}^1$

素因数の和:149237

約数の個数: 40

約数和(自身を含む): 1165425408

約数和(自身を除く): 676105168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 149183, 298366, 596732, 745915, 1193464, 1491830, 2386928, 2983660, 5967320, 6116503, 11934640, 12233006, 24466012, 30582515, 48932024, 61165030, 97864048, 122330060, 244660120, 489320240]

約数ペア:

[(1, 489320240), (2, 244660120), (4, 122330060), (5, 97864048), (8, 61165030), (10, 48932024), (16, 30582515), (20, 24466012), (40, 12233006), (41, 11934640), (80, 6116503), (82, 5967320), (164, 2983660), (205, 2386928), (328, 1491830), (410, 1193464), (656, 745915), (820, 596732), (1640, 298366), (3280, 149183)]