11778140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 28242816

約数和(自身を除く): 16464676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 157, 220, 242, 310, 314, 341, 484, 605, 620, 628, 682, 785, 1210, 1364, 1570, 1705, 1727, 2420, 3140, 3410, 3454, 3751, 4867, 6820, 6908, 7502, 8635, 9734, 15004, 17270, 18755, 18997, 19468, 24335, 34540, 37510, 37994, 48670, 53537, 75020, 75988, 94985, 97340, 107074, 189970, 214148, 267685, 379940, 535370, 588907, 1070740, 1177814, 2355628, 2944535, 5889070, 11778140]

約数ペア:

[(1, 11778140), (2, 5889070), (4, 2944535), (5, 2355628), (10, 1177814), (11, 1070740), (20, 588907), (22, 535370), (31, 379940), (44, 267685), (55, 214148), (62, 189970), (110, 107074), (121, 97340), (124, 94985), (155, 75988), (157, 75020), (220, 53537), (242, 48670), (310, 37994), (314, 37510), (341, 34540), (484, 24335), (605, 19468), (620, 18997), (628, 18755), (682, 17270), (785, 15004), (1210, 9734), (1364, 8635), (1570, 7502), (1705, 6908), (1727, 6820), (2420, 4867), (3140, 3751), (3410, 3454)]