418062280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5527}}^1$

素因数の和:5630

約数の個数: 64

約数和(自身を含む): 987079680

約数和(自身を除く): 569017400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 5527, 7564, 9455, 11054, 15128, 18910, 22108, 27635, 37820, 44216, 55270, 75640, 110540, 171337, 221080, 337147, 342674, 674294, 685348, 856685, 1348588, 1370696, 1685735, 1713370, 2697176, 3371470, 3426740, 6742940, 6853480, 10451557, 13485880, 20903114, 41806228, 52257785, 83612456, 104515570, 209031140, 418062280]

約数ペア:

[(1, 418062280), (2, 209031140), (4, 104515570), (5, 83612456), (8, 52257785), (10, 41806228), (20, 20903114), (31, 13485880), (40, 10451557), (61, 6853480), (62, 6742940), (122, 3426740), (124, 3371470), (155, 2697176), (244, 1713370), (248, 1685735), (305, 1370696), (310, 1348588), (488, 856685), (610, 685348), (620, 674294), (1220, 342674), (1240, 337147), (1891, 221080), (2440, 171337), (3782, 110540), (5527, 75640), (7564, 55270), (9455, 44216), (11054, 37820), (15128, 27635), (18910, 22108)]