4427217880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{22741}}^1$

素因数の和:22940

約数の個数: 64

約数和(自身を含む): 10348519680

約数和(自身を除く): 5921301800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1570, 3140, 4867, 6280, 9734, 19468, 22741, 24335, 38936, 45482, 48670, 90964, 97340, 113705, 181928, 194680, 227410, 454820, 704971, 909640, 1409942, 2819884, 3524855, 3570337, 5639768, 7049710, 7140674, 14099420, 14281348, 17851685, 28198840, 28562696, 35703370, 71406740, 110680447, 142813480, 221360894, 442721788, 553402235, 885443576, 1106804470, 2213608940, 4427217880]

約数ペア:

[(1, 4427217880), (2, 2213608940), (4, 1106804470), (5, 885443576), (8, 553402235), (10, 442721788), (20, 221360894), (31, 142813480), (40, 110680447), (62, 71406740), (124, 35703370), (155, 28562696), (157, 28198840), (248, 17851685), (310, 14281348), (314, 14099420), (620, 7140674), (628, 7049710), (785, 5639768), (1240, 3570337), (1256, 3524855), (1570, 2819884), (3140, 1409942), (4867, 909640), (6280, 704971), (9734, 454820), (19468, 227410), (22741, 194680), (24335, 181928), (38936, 113705), (45482, 97340), (48670, 90964)]