3961340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 8999424

約数和(自身を除く): 5038084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 191, 244, 305, 340, 382, 610, 764, 955, 1037, 1220, 1910, 2074, 3247, 3820, 4148, 5185, 6494, 10370, 11651, 12988, 16235, 20740, 23302, 32470, 46604, 58255, 64940, 116510, 198067, 233020, 396134, 792268, 990335, 1980670, 3961340]

約数ペア:

[(1, 3961340), (2, 1980670), (4, 990335), (5, 792268), (10, 396134), (17, 233020), (20, 198067), (34, 116510), (61, 64940), (68, 58255), (85, 46604), (122, 32470), (170, 23302), (191, 20740), (244, 16235), (305, 12988), (340, 11651), (382, 10370), (610, 6494), (764, 5185), (955, 4148), (1037, 3820), (1220, 3247), (1910, 2074)]