211045700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 483719040

約数和(自身を除く): 272673340

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 89, 92, 100, 115, 178, 230, 356, 445, 460, 575, 890, 1031, 1150, 1780, 2047, 2062, 2225, 2300, 4094, 4124, 4450, 5155, 8188, 8900, 10235, 10310, 20470, 20620, 23713, 25775, 40940, 47426, 51175, 51550, 91759, 94852, 102350, 103100, 118565, 183518, 204700, 237130, 367036, 458795, 474260, 592825, 917590, 1185650, 1835180, 2110457, 2293975, 2371300, 4220914, 4587950, 8441828, 9175900, 10552285, 21104570, 42209140, 52761425, 105522850, 211045700]

約数ペア:

[(1, 211045700), (2, 105522850), (4, 52761425), (5, 42209140), (10, 21104570), (20, 10552285), (23, 9175900), (25, 8441828), (46, 4587950), (50, 4220914), (89, 2371300), (92, 2293975), (100, 2110457), (115, 1835180), (178, 1185650), (230, 917590), (356, 592825), (445, 474260), (460, 458795), (575, 367036), (890, 237130), (1031, 204700), (1150, 183518), (1780, 118565), (2047, 103100), (2062, 102350), (2225, 94852), (2300, 91759), (4094, 51550), (4124, 51175), (4450, 47426), (5155, 40940), (8188, 25775), (8900, 23713), (10235, 20620), (10310, 20470)]