2228460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 6722016

約数和(自身を除く): 4493556

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, 780, 2857, 5714, 8571, 11428, 14285, 17142, 28570, 34284, 37141, 42855, 57140, 74282, 85710, 111423, 148564, 171420, 185705, 222846, 371410, 445692, 557115, 742820, 1114230, 2228460]

約数ペア:

[(1, 2228460), (2, 1114230), (3, 742820), (4, 557115), (5, 445692), (6, 371410), (10, 222846), (12, 185705), (13, 171420), (15, 148564), (20, 111423), (26, 85710), (30, 74282), (39, 57140), (52, 42855), (60, 37141), (65, 34284), (78, 28570), (130, 17142), (156, 14285), (195, 11428), (260, 8571), (390, 5714), (780, 2857)]