4399681825

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4133}}^1$

素因数の和:4247

約数の個数: 72

約数和(自身を含む): 7012586880

約数和(自身を除く): 2612905055

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 79, 175, 245, 275, 385, 395, 539, 553, 869, 1225, 1925, 1975, 2695, 2765, 3871, 4133, 4345, 6083, 13475, 13825, 19355, 20665, 21725, 28931, 30415, 42581, 45463, 96775, 103325, 144655, 152075, 202517, 212905, 227315, 318241, 326507, 723275, 1012585, 1064525, 1136575, 1591205, 1632535, 2227687, 2285549, 3591577, 5062925, 7956025, 8162675, 11138435, 11427745, 15998843, 17957885, 25141039, 55692175, 57138725, 79994215, 89789425, 125705195, 175987273, 399971075, 628525975, 879936365, 4399681825]

約数ペア:

[(1, 4399681825), (5, 879936365), (7, 628525975), (11, 399971075), (25, 175987273), (35, 125705195), (49, 89789425), (55, 79994215), (77, 57138725), (79, 55692175), (175, 25141039), (245, 17957885), (275, 15998843), (385, 11427745), (395, 11138435), (539, 8162675), (553, 7956025), (869, 5062925), (1225, 3591577), (1925, 2285549), (1975, 2227687), (2695, 1632535), (2765, 1591205), (3871, 1136575), (4133, 1064525), (4345, 1012585), (6083, 723275), (13475, 326507), (13825, 318241), (19355, 227315), (20665, 212905), (21725, 202517), (28931, 152075), (30415, 144655), (42581, 103325), (45463, 96775)]