291239420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{4157}}^1$

素因数の和:4310

約数の個数: 48

約数和(自身を含む): 637072128

約数和(自身を除く): 345832708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 1130, 2260, 3503, 4157, 7006, 8314, 14012, 16628, 17515, 20785, 35030, 41570, 70060, 83140, 128867, 257734, 469741, 515468, 644335, 939482, 1288670, 1878964, 2348705, 2577340, 4697410, 9394820, 14561971, 29123942, 58247884, 72809855, 145619710, 291239420]

約数ペア:

[(1, 291239420), (2, 145619710), (4, 72809855), (5, 58247884), (10, 29123942), (20, 14561971), (31, 9394820), (62, 4697410), (113, 2577340), (124, 2348705), (155, 1878964), (226, 1288670), (310, 939482), (452, 644335), (565, 515468), (620, 469741), (1130, 257734), (2260, 128867), (3503, 83140), (4157, 70060), (7006, 41570), (8314, 35030), (14012, 20785), (16628, 17515)]