439140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 1326528

約数和(自身を除く): 887388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 563, 780, 1126, 1689, 2252, 2815, 3378, 5630, 6756, 7319, 8445, 11260, 14638, 16890, 21957, 29276, 33780, 36595, 43914, 73190, 87828, 109785, 146380, 219570, 439140]

約数ペア:

[(1, 439140), (2, 219570), (3, 146380), (4, 109785), (5, 87828), (6, 73190), (10, 43914), (12, 36595), (13, 33780), (15, 29276), (20, 21957), (26, 16890), (30, 14638), (39, 11260), (52, 8445), (60, 7319), (65, 6756), (78, 5630), (130, 3378), (156, 2815), (195, 2252), (260, 1689), (390, 1126), (563, 780)]