70990000

素因数分解:

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

素因数の和:288

約数の個数: 100

約数和(自身を含む): 178192960

約数和(自身を除く): 107202960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 229, 248, 250, 310, 400, 458, 496, 500, 620, 625, 775, 916, 1000, 1145, 1240, 1250, 1550, 1832, 2000, 2290, 2480, 2500, 3100, 3664, 3875, 4580, 5000, 5725, 6200, 7099, 7750, 9160, 10000, 11450, 12400, 14198, 15500, 18320, 19375, 22900, 28396, 28625, 31000, 35495, 38750, 45800, 56792, 57250, 62000, 70990, 77500, 91600, 113584, 114500, 141980, 143125, 155000, 177475, 229000, 283960, 286250, 310000, 354950, 458000, 567920, 572500, 709900, 887375, 1145000, 1419800, 1774750, 2290000, 2839600, 3549500, 4436875, 7099000, 8873750, 14198000, 17747500, 35495000, 70990000]

約数ペア:

[(1, 70990000), (2, 35495000), (4, 17747500), (5, 14198000), (8, 8873750), (10, 7099000), (16, 4436875), (20, 3549500), (25, 2839600), (31, 2290000), (40, 1774750), (50, 1419800), (62, 1145000), (80, 887375), (100, 709900), (124, 572500), (125, 567920), (155, 458000), (200, 354950), (229, 310000), (248, 286250), (250, 283960), (310, 229000), (400, 177475), (458, 155000), (496, 143125), (500, 141980), (620, 114500), (625, 113584), (775, 91600), (916, 77500), (1000, 70990), (1145, 62000), (1240, 57250), (1250, 56792), (1550, 45800), (1832, 38750), (2000, 35495), (2290, 31000), (2480, 28625), (2500, 28396), (3100, 22900), (3664, 19375), (3875, 18320), (4580, 15500), (5000, 14198), (5725, 12400), (6200, 11450), (7099, 10000), (7750, 9160)]