6781100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 16040640

約数和(自身を除く): 9259540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 83, 86, 95, 100, 166, 172, 190, 215, 332, 380, 415, 430, 475, 817, 830, 860, 950, 1075, 1577, 1634, 1660, 1900, 2075, 2150, 3154, 3268, 3569, 4085, 4150, 4300, 6308, 7138, 7885, 8170, 8300, 14276, 15770, 16340, 17845, 20425, 31540, 35690, 39425, 40850, 67811, 71380, 78850, 81700, 89225, 135622, 157700, 178450, 271244, 339055, 356900, 678110, 1356220, 1695275, 3390550, 6781100]

約数ペア:

[(1, 6781100), (2, 3390550), (4, 1695275), (5, 1356220), (10, 678110), (19, 356900), (20, 339055), (25, 271244), (38, 178450), (43, 157700), (50, 135622), (76, 89225), (83, 81700), (86, 78850), (95, 71380), (100, 67811), (166, 40850), (172, 39425), (190, 35690), (215, 31540), (332, 20425), (380, 17845), (415, 16340), (430, 15770), (475, 14276), (817, 8300), (830, 8170), (860, 7885), (950, 7138), (1075, 6308), (1577, 4300), (1634, 4150), (1660, 4085), (1900, 3569), (2075, 3268), (2150, 3154)]