90775600

素因数分解:

$2^4\times 5^2\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1238

約数の個数: 60

約数和(自身を含む): 219261760

約数和(自身を除く): 128486160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 229, 400, 458, 916, 991, 1145, 1832, 1982, 2290, 3664, 3964, 4580, 4955, 5725, 7928, 9160, 9910, 11450, 15856, 18320, 19820, 22900, 24775, 39640, 45800, 49550, 79280, 91600, 99100, 198200, 226939, 396400, 453878, 907756, 1134695, 1815512, 2269390, 3631024, 4538780, 5673475, 9077560, 11346950, 18155120, 22693900, 45387800, 90775600]

約数ペア:

[(1, 90775600), (2, 45387800), (4, 22693900), (5, 18155120), (8, 11346950), (10, 9077560), (16, 5673475), (20, 4538780), (25, 3631024), (40, 2269390), (50, 1815512), (80, 1134695), (100, 907756), (200, 453878), (229, 396400), (400, 226939), (458, 198200), (916, 99100), (991, 91600), (1145, 79280), (1832, 49550), (1982, 45800), (2290, 39640), (3664, 24775), (3964, 22900), (4580, 19820), (4955, 18320), (5725, 15856), (7928, 11450), (9160, 9910)]