68989000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3631}}^1$

素因数の和:3671

約数の個数: 64

約数和(自身を含む): 169977600

約数和(自身を除く): 100988600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3631, 3800, 4750, 7262, 9500, 14524, 18155, 19000, 29048, 36310, 68989, 72620, 90775, 137978, 145240, 181550, 275956, 344945, 363100, 453875, 551912, 689890, 726200, 907750, 1379780, 1724725, 1815500, 2759560, 3449450, 3631000, 6898900, 8623625, 13797800, 17247250, 34494500, 68989000]

約数ペア:

[(1, 68989000), (2, 34494500), (4, 17247250), (5, 13797800), (8, 8623625), (10, 6898900), (19, 3631000), (20, 3449450), (25, 2759560), (38, 1815500), (40, 1724725), (50, 1379780), (76, 907750), (95, 726200), (100, 689890), (125, 551912), (152, 453875), (190, 363100), (200, 344945), (250, 275956), (380, 181550), (475, 145240), (500, 137978), (760, 90775), (950, 72620), (1000, 68989), (1900, 36310), (2375, 29048), (3631, 19000), (3800, 18155), (4750, 14524), (7262, 9500)]