1187308660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{1213}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 2523906000

約数和(自身を除く): 1336597340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 449, 545, 898, 1090, 1213, 1796, 2180, 2245, 2426, 4490, 4852, 6065, 8980, 12130, 24260, 48941, 97882, 132217, 195764, 244705, 264434, 489410, 528868, 544637, 661085, 978820, 1089274, 1322170, 2178548, 2644340, 2723185, 5446370, 10892740, 59365433, 118730866, 237461732, 296827165, 593654330, 1187308660]

約数ペア:

[(1, 1187308660), (2, 593654330), (4, 296827165), (5, 237461732), (10, 118730866), (20, 59365433), (109, 10892740), (218, 5446370), (436, 2723185), (449, 2644340), (545, 2178548), (898, 1322170), (1090, 1089274), (1213, 978820), (1796, 661085), (2180, 544637), (2245, 528868), (2426, 489410), (4490, 264434), (4852, 244705), (6065, 195764), (8980, 132217), (12130, 97882), (24260, 48941)]