253017160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 637865280

約数和(自身を除く): 384848120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 311, 344, 430, 440, 473, 622, 860, 946, 1244, 1555, 1720, 1849, 1892, 2365, 2488, 3110, 3421, 3698, 3784, 4730, 6220, 6842, 7396, 9245, 9460, 12440, 13373, 13684, 14792, 17105, 18490, 18920, 20339, 26746, 27368, 34210, 36980, 40678, 53492, 66865, 68420, 73960, 81356, 101695, 106984, 133730, 136840, 147103, 162712, 203390, 267460, 294206, 406780, 534920, 575039, 588412, 735515, 813560, 1150078, 1176824, 1471030, 2300156, 2875195, 2942060, 4600312, 5750390, 5884120, 6325429, 11500780, 12650858, 23001560, 25301716, 31627145, 50603432, 63254290, 126508580, 253017160]

約数ペア:

[(1, 253017160), (2, 126508580), (4, 63254290), (5, 50603432), (8, 31627145), (10, 25301716), (11, 23001560), (20, 12650858), (22, 11500780), (40, 6325429), (43, 5884120), (44, 5750390), (55, 4600312), (86, 2942060), (88, 2875195), (110, 2300156), (172, 1471030), (215, 1176824), (220, 1150078), (311, 813560), (344, 735515), (430, 588412), (440, 575039), (473, 534920), (622, 406780), (860, 294206), (946, 267460), (1244, 203390), (1555, 162712), (1720, 147103), (1849, 136840), (1892, 133730), (2365, 106984), (2488, 101695), (3110, 81356), (3421, 73960), (3698, 68420), (3784, 66865), (4730, 53492), (6220, 40678), (6842, 36980), (7396, 34210), (9245, 27368), (9460, 26746), (12440, 20339), (13373, 18920), (13684, 18490), (14792, 17105)]