201520188

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:216

約数の個数: 108

約数和(自身を含む): 547386840

約数和(自身を除く): 345866652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 43, 58, 67, 86, 87, 116, 129, 134, 172, 174, 201, 258, 261, 268, 348, 387, 402, 516, 522, 603, 774, 804, 1044, 1206, 1247, 1548, 1943, 2412, 2494, 2881, 3741, 3886, 4489, 4988, 5762, 5829, 7482, 7772, 8643, 8978, 11223, 11524, 11658, 13467, 14964, 17286, 17487, 17956, 22446, 23316, 25929, 26934, 34572, 34974, 40401, 44892, 51858, 53868, 69948, 80802, 83549, 103716, 130181, 161604, 167098, 193027, 250647, 260362, 334196, 386054, 390543, 501294, 520724, 579081, 751941, 772108, 781086, 1002588, 1158162, 1171629, 1503882, 1562172, 1737243, 2316324, 2343258, 3007764, 3474486, 4686516, 5597783, 6948972, 11195566, 16793349, 22391132, 33586698, 50380047, 67173396, 100760094, 201520188]

約数ペア:

[(1, 201520188), (2, 100760094), (3, 67173396), (4, 50380047), (6, 33586698), (9, 22391132), (12, 16793349), (18, 11195566), (29, 6948972), (36, 5597783), (43, 4686516), (58, 3474486), (67, 3007764), (86, 2343258), (87, 2316324), (116, 1737243), (129, 1562172), (134, 1503882), (172, 1171629), (174, 1158162), (201, 1002588), (258, 781086), (261, 772108), (268, 751941), (348, 579081), (387, 520724), (402, 501294), (516, 390543), (522, 386054), (603, 334196), (774, 260362), (804, 250647), (1044, 193027), (1206, 167098), (1247, 161604), (1548, 130181), (1943, 103716), (2412, 83549), (2494, 80802), (2881, 69948), (3741, 53868), (3886, 51858), (4489, 44892), (4988, 40401), (5762, 34974), (5829, 34572), (7482, 26934), (7772, 25929), (8643, 23316), (8978, 22446), (11223, 17956), (11524, 17487), (11658, 17286), (13467, 14964)]