219570

素因数分解:

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

素因数の和:586

約数の個数: 32

約数和(自身を含む): 568512

約数和(自身を除く): 348942

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 563, 1126, 1689, 2815, 3378, 5630, 7319, 8445, 14638, 16890, 21957, 36595, 43914, 73190, 109785, 219570]

約数ペア:

[(1, 219570), (2, 109785), (3, 73190), (5, 43914), (6, 36595), (10, 21957), (13, 16890), (15, 14638), (26, 8445), (30, 7319), (39, 5630), (65, 3378), (78, 2815), (130, 1689), (195, 1126), (390, 563)]