28754440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 76751640

約数和(自身を除く): 47997200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 143, 220, 242, 260, 286, 440, 457, 484, 520, 572, 605, 715, 914, 968, 1144, 1210, 1430, 1573, 1828, 2285, 2420, 2860, 3146, 3656, 4570, 4840, 5027, 5720, 5941, 6292, 7865, 9140, 10054, 11882, 12584, 15730, 18280, 20108, 23764, 25135, 29705, 31460, 40216, 47528, 50270, 55297, 59410, 62920, 65351, 100540, 110594, 118820, 130702, 201080, 221188, 237640, 261404, 276485, 326755, 442376, 522808, 552970, 653510, 718861, 1105940, 1307020, 1437722, 2211880, 2614040, 2875444, 3594305, 5750888, 7188610, 14377220, 28754440]

約数ペア:

[(1, 28754440), (2, 14377220), (4, 7188610), (5, 5750888), (8, 3594305), (10, 2875444), (11, 2614040), (13, 2211880), (20, 1437722), (22, 1307020), (26, 1105940), (40, 718861), (44, 653510), (52, 552970), (55, 522808), (65, 442376), (88, 326755), (104, 276485), (110, 261404), (121, 237640), (130, 221188), (143, 201080), (220, 130702), (242, 118820), (260, 110594), (286, 100540), (440, 65351), (457, 62920), (484, 59410), (520, 55297), (572, 50270), (605, 47528), (715, 40216), (914, 31460), (968, 29705), (1144, 25135), (1210, 23764), (1430, 20108), (1573, 18280), (1828, 15730), (2285, 12584), (2420, 11882), (2860, 10054), (3146, 9140), (3656, 7865), (4570, 6292), (4840, 5941), (5027, 5720)]