201690800

素因数分解:

$2^4\times 5^2\times {\mathrm{449}}^1\times {\mathrm{1123}}^1$

素因数の和:1590

約数の個数: 60

約数和(自身を含む): 486073800

約数和(自身を除く): 284383000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 449, 898, 1123, 1796, 2245, 2246, 3592, 4490, 4492, 5615, 7184, 8980, 8984, 11225, 11230, 17960, 17968, 22450, 22460, 28075, 35920, 44900, 44920, 56150, 89800, 89840, 112300, 179600, 224600, 449200, 504227, 1008454, 2016908, 2521135, 4033816, 5042270, 8067632, 10084540, 12605675, 20169080, 25211350, 40338160, 50422700, 100845400, 201690800]

約数ペア:

[(1, 201690800), (2, 100845400), (4, 50422700), (5, 40338160), (8, 25211350), (10, 20169080), (16, 12605675), (20, 10084540), (25, 8067632), (40, 5042270), (50, 4033816), (80, 2521135), (100, 2016908), (200, 1008454), (400, 504227), (449, 449200), (898, 224600), (1123, 179600), (1796, 112300), (2245, 89840), (2246, 89800), (3592, 56150), (4490, 44920), (4492, 44900), (5615, 35920), (7184, 28075), (8980, 22460), (8984, 22450), (11225, 17968), (11230, 17960)]