1988010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 5472000

約数和(自身を除く): 3483990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 199, 222, 270, 333, 370, 398, 555, 597, 666, 995, 999, 1110, 1194, 1665, 1791, 1990, 1998, 2985, 3330, 3582, 4995, 5373, 5970, 7363, 8955, 9990, 10746, 14726, 17910, 22089, 26865, 36815, 44178, 53730, 66267, 73630, 110445, 132534, 198801, 220890, 331335, 397602, 662670, 994005, 1988010]

約数ペア:

[(1, 1988010), (2, 994005), (3, 662670), (5, 397602), (6, 331335), (9, 220890), (10, 198801), (15, 132534), (18, 110445), (27, 73630), (30, 66267), (37, 53730), (45, 44178), (54, 36815), (74, 26865), (90, 22089), (111, 17910), (135, 14726), (185, 10746), (199, 9990), (222, 8955), (270, 7363), (333, 5970), (370, 5373), (398, 4995), (555, 3582), (597, 3330), (666, 2985), (995, 1998), (999, 1990), (1110, 1791), (1194, 1665)]