2039830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 4269024

約数和(自身を除く): 2229194

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 71, 85, 130, 142, 169, 170, 221, 338, 355, 442, 710, 845, 923, 1105, 1207, 1690, 1846, 2210, 2414, 2873, 4615, 5746, 6035, 9230, 11999, 12070, 14365, 15691, 23998, 28730, 31382, 59995, 78455, 119990, 156910, 203983, 407966, 1019915, 2039830]

約数ペア:

[(1, 2039830), (2, 1019915), (5, 407966), (10, 203983), (13, 156910), (17, 119990), (26, 78455), (34, 59995), (65, 31382), (71, 28730), (85, 23998), (130, 15691), (142, 14365), (169, 12070), (170, 11999), (221, 9230), (338, 6035), (355, 5746), (442, 4615), (710, 2873), (845, 2414), (923, 2210), (1105, 1846), (1207, 1690)]