298889259920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{988129}}^1$

素因数の和:988360

約数の個数: 80

約数和(自身を含む): 735168720000

約数和(自身を除く): 436279460080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 304, 380, 398, 760, 796, 995, 1520, 1592, 1990, 3184, 3781, 3980, 7562, 7960, 15124, 15920, 18905, 30248, 37810, 60496, 75620, 151240, 302480, 988129, 1976258, 3952516, 4940645, 7905032, 9881290, 15810064, 18774451, 19762580, 37548902, 39525160, 75097804, 79050320, 93872255, 150195608, 187744510, 196637671, 300391216, 375489020, 393275342, 750978040, 786550684, 983188355, 1501956080, 1573101368, 1966376710, 3146202736, 3736115749, 3932753420, 7472231498, 7865506840, 14944462996, 15731013680, 18680578745, 29888925992, 37361157490, 59777851984, 74722314980, 149444629960, 298889259920]

約数ペア:

[(1, 298889259920), (2, 149444629960), (4, 74722314980), (5, 59777851984), (8, 37361157490), (10, 29888925992), (16, 18680578745), (19, 15731013680), (20, 14944462996), (38, 7865506840), (40, 7472231498), (76, 3932753420), (80, 3736115749), (95, 3146202736), (152, 1966376710), (190, 1573101368), (199, 1501956080), (304, 983188355), (380, 786550684), (398, 750978040), (760, 393275342), (796, 375489020), (995, 300391216), (1520, 196637671), (1592, 187744510), (1990, 150195608), (3184, 93872255), (3781, 79050320), (3980, 75097804), (7562, 39525160), (7960, 37548902), (15124, 19762580), (15920, 18774451), (18905, 15810064), (30248, 9881290), (37810, 7905032), (60496, 4940645), (75620, 3952516), (151240, 1976258), (302480, 988129)]