9420280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 22394880

約数和(自身を除く): 12974600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 107, 124, 142, 155, 214, 248, 284, 310, 355, 428, 535, 568, 620, 710, 856, 1070, 1240, 1420, 2140, 2201, 2840, 3317, 4280, 4402, 6634, 7597, 8804, 11005, 13268, 15194, 16585, 17608, 22010, 26536, 30388, 33170, 37985, 44020, 60776, 66340, 75970, 88040, 132680, 151940, 235507, 303880, 471014, 942028, 1177535, 1884056, 2355070, 4710140, 9420280]

約数ペア:

[(1, 9420280), (2, 4710140), (4, 2355070), (5, 1884056), (8, 1177535), (10, 942028), (20, 471014), (31, 303880), (40, 235507), (62, 151940), (71, 132680), (107, 88040), (124, 75970), (142, 66340), (155, 60776), (214, 44020), (248, 37985), (284, 33170), (310, 30388), (355, 26536), (428, 22010), (535, 17608), (568, 16585), (620, 15194), (710, 13268), (856, 11005), (1070, 8804), (1240, 7597), (1420, 6634), (2140, 4402), (2201, 4280), (2840, 3317)]