78227750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 158146560

約数和(自身を除く): 79918810

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 86, 95, 125, 190, 215, 250, 383, 430, 475, 766, 817, 950, 1075, 1634, 1915, 2150, 2375, 3830, 4085, 4750, 5375, 7277, 8170, 9575, 10750, 14554, 16469, 19150, 20425, 32938, 36385, 40850, 47875, 72770, 82345, 95750, 102125, 164690, 181925, 204250, 312911, 363850, 411725, 625822, 823450, 909625, 1564555, 1819250, 2058625, 3129110, 4117250, 7822775, 15645550, 39113875, 78227750]

約数ペア:

[(1, 78227750), (2, 39113875), (5, 15645550), (10, 7822775), (19, 4117250), (25, 3129110), (38, 2058625), (43, 1819250), (50, 1564555), (86, 909625), (95, 823450), (125, 625822), (190, 411725), (215, 363850), (250, 312911), (383, 204250), (430, 181925), (475, 164690), (766, 102125), (817, 95750), (950, 82345), (1075, 72770), (1634, 47875), (1915, 40850), (2150, 36385), (2375, 32938), (3830, 20425), (4085, 19150), (4750, 16469), (5375, 14554), (7277, 10750), (8170, 9575)]