647212280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113149}}^1$

素因数の和:113184

約数の個数: 64

約数和(自身を含む): 1710828000

約数和(自身を除く): 1063615720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 113149, 226298, 452596, 565745, 905192, 1131490, 1244639, 1470937, 2262980, 2489278, 2941874, 4525960, 4978556, 5883748, 6223195, 7354685, 9957112, 11767496, 12446390, 14709370, 16180307, 24892780, 29418740, 32360614, 49785560, 58837480, 64721228, 80901535, 129442456, 161803070, 323606140, 647212280]

約数ペア:

[(1, 647212280), (2, 323606140), (4, 161803070), (5, 129442456), (8, 80901535), (10, 64721228), (11, 58837480), (13, 49785560), (20, 32360614), (22, 29418740), (26, 24892780), (40, 16180307), (44, 14709370), (52, 12446390), (55, 11767496), (65, 9957112), (88, 7354685), (104, 6223195), (110, 5883748), (130, 4978556), (143, 4525960), (220, 2941874), (260, 2489278), (286, 2262980), (440, 1470937), (520, 1244639), (572, 1131490), (715, 905192), (1144, 565745), (1430, 452596), (2860, 226298), (5720, 113149)]