90436428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1351

約数の個数: 72

約数和(自身を含む): 243042800

約数和(自身を除く): 152606372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 327, 342, 436, 654, 684, 981, 1213, 1308, 1962, 2071, 2426, 3639, 3924, 4142, 4852, 6213, 7278, 8284, 10917, 12426, 14556, 18639, 21834, 23047, 24852, 37278, 43668, 46094, 69141, 74556, 92188, 132217, 138282, 207423, 264434, 276564, 396651, 414846, 528868, 793302, 829692, 1189953, 1586604, 2379906, 2512123, 4759812, 5024246, 7536369, 10048492, 15072738, 22609107, 30145476, 45218214, 90436428]

約数ペア:

[(1, 90436428), (2, 45218214), (3, 30145476), (4, 22609107), (6, 15072738), (9, 10048492), (12, 7536369), (18, 5024246), (19, 4759812), (36, 2512123), (38, 2379906), (57, 1586604), (76, 1189953), (109, 829692), (114, 793302), (171, 528868), (218, 414846), (228, 396651), (327, 276564), (342, 264434), (436, 207423), (654, 138282), (684, 132217), (981, 92188), (1213, 74556), (1308, 69141), (1962, 46094), (2071, 43668), (2426, 37278), (3639, 24852), (3924, 23047), (4142, 21834), (4852, 18639), (6213, 14556), (7278, 12426), (8284, 10917)]