2470390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 4951296

約数和(自身を除く): 2480906

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 613, 806, 1226, 2015, 3065, 4030, 6130, 7969, 15938, 19003, 38006, 39845, 79690, 95015, 190030, 247039, 494078, 1235195, 2470390]

約数ペア:

[(1, 2470390), (2, 1235195), (5, 494078), (10, 247039), (13, 190030), (26, 95015), (31, 79690), (62, 39845), (65, 38006), (130, 19003), (155, 15938), (310, 7969), (403, 6130), (613, 4030), (806, 3065), (1226, 2015)]