90426400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 239750280

約数和(自身を除く): 149323880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 61, 68, 80, 85, 100, 109, 122, 136, 160, 170, 200, 218, 244, 272, 305, 340, 400, 425, 436, 488, 544, 545, 610, 680, 800, 850, 872, 976, 1037, 1090, 1220, 1360, 1525, 1700, 1744, 1853, 1952, 2074, 2180, 2440, 2720, 2725, 3050, 3400, 3488, 3706, 4148, 4360, 4880, 5185, 5450, 6100, 6649, 6800, 7412, 8296, 8720, 9265, 9760, 10370, 10900, 12200, 13298, 13600, 14824, 16592, 17440, 18530, 20740, 21800, 24400, 25925, 26596, 29648, 33184, 33245, 37060, 41480, 43600, 46325, 48800, 51850, 53192, 59296, 66490, 74120, 82960, 87200, 92650, 103700, 106384, 113033, 132980, 148240, 165920, 166225, 185300, 207400, 212768, 226066, 265960, 296480, 332450, 370600, 414800, 452132, 531920, 565165, 664900, 741200, 829600, 904264, 1063840, 1130330, 1329800, 1482400, 1808528, 2260660, 2659600, 2825825, 3617056, 4521320, 5319200, 5651650, 9042640, 11303300, 18085280, 22606600, 45213200, 90426400]

約数ペア:

[(1, 90426400), (2, 45213200), (4, 22606600), (5, 18085280), (8, 11303300), (10, 9042640), (16, 5651650), (17, 5319200), (20, 4521320), (25, 3617056), (32, 2825825), (34, 2659600), (40, 2260660), (50, 1808528), (61, 1482400), (68, 1329800), (80, 1130330), (85, 1063840), (100, 904264), (109, 829600), (122, 741200), (136, 664900), (160, 565165), (170, 531920), (200, 452132), (218, 414800), (244, 370600), (272, 332450), (305, 296480), (340, 265960), (400, 226066), (425, 212768), (436, 207400), (488, 185300), (544, 166225), (545, 165920), (610, 148240), (680, 132980), (800, 113033), (850, 106384), (872, 103700), (976, 92650), (1037, 87200), (1090, 82960), (1220, 74120), (1360, 66490), (1525, 59296), (1700, 53192), (1744, 51850), (1853, 48800), (1952, 46325), (2074, 43600), (2180, 41480), (2440, 37060), (2720, 33245), (2725, 33184), (3050, 29648), (3400, 26596), (3488, 25925), (3706, 24400), (4148, 21800), (4360, 20740), (4880, 18530), (5185, 17440), (5450, 16592), (6100, 14824), (6649, 13600), (6800, 13298), (7412, 12200), (8296, 10900), (8720, 10370), (9265, 9760)]