2221570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 4499712

約数和(自身を除く): 2278142

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 743, 1486, 1495, 2990, 3715, 7430, 9659, 17089, 19318, 34178, 48295, 85445, 96590, 170890, 222157, 444314, 1110785, 2221570]

約数ペア:

[(1, 2221570), (2, 1110785), (5, 444314), (10, 222157), (13, 170890), (23, 96590), (26, 85445), (46, 48295), (65, 34178), (115, 19318), (130, 17089), (230, 9659), (299, 7430), (598, 3715), (743, 2990), (1486, 1495)]