401313640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110251}}^1$

素因数の和:110282

約数の個数: 64

約数和(自身を含む): 1111340160

約数和(自身を除く): 710026520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 110251, 220502, 441004, 551255, 771757, 882008, 1102510, 1433263, 1543514, 2205020, 2866526, 3087028, 3858785, 4410040, 5733052, 6174056, 7166315, 7717570, 10032841, 11466104, 14332630, 15435140, 20065682, 28665260, 30870280, 40131364, 50164205, 57330520, 80262728, 100328410, 200656820, 401313640]

約数ペア:

[(1, 401313640), (2, 200656820), (4, 100328410), (5, 80262728), (7, 57330520), (8, 50164205), (10, 40131364), (13, 30870280), (14, 28665260), (20, 20065682), (26, 15435140), (28, 14332630), (35, 11466104), (40, 10032841), (52, 7717570), (56, 7166315), (65, 6174056), (70, 5733052), (91, 4410040), (104, 3858785), (130, 3087028), (140, 2866526), (182, 2205020), (260, 1543514), (280, 1433263), (364, 1102510), (455, 882008), (520, 771757), (728, 551255), (910, 441004), (1820, 220502), (3640, 110251)]