30714860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 70912800

約数和(自身を除く): 40197940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 937, 1490, 1639, 1874, 2980, 3278, 3748, 4685, 6556, 8195, 9370, 10307, 16390, 18740, 20614, 32780, 41228, 51535, 103070, 139613, 206140, 279226, 558452, 698065, 1396130, 1535743, 2792260, 3071486, 6142972, 7678715, 15357430, 30714860]

約数ペア:

[(1, 30714860), (2, 15357430), (4, 7678715), (5, 6142972), (10, 3071486), (11, 2792260), (20, 1535743), (22, 1396130), (44, 698065), (55, 558452), (110, 279226), (149, 206140), (220, 139613), (298, 103070), (596, 51535), (745, 41228), (937, 32780), (1490, 20614), (1639, 18740), (1874, 16390), (2980, 10307), (3278, 9370), (3748, 8195), (4685, 6556)]