188840200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{103}}^2$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 448339050

約数和(自身を除く): 259498850

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 103, 178, 200, 206, 356, 412, 445, 515, 712, 824, 890, 1030, 1780, 2060, 2225, 2575, 3560, 4120, 4450, 5150, 8900, 9167, 10300, 10609, 17800, 18334, 20600, 21218, 36668, 42436, 45835, 53045, 73336, 84872, 91670, 106090, 183340, 212180, 229175, 265225, 366680, 424360, 458350, 530450, 916700, 944201, 1060900, 1833400, 1888402, 2121800, 3776804, 4721005, 7553608, 9442010, 18884020, 23605025, 37768040, 47210050, 94420100, 188840200]

約数ペア:

[(1, 188840200), (2, 94420100), (4, 47210050), (5, 37768040), (8, 23605025), (10, 18884020), (20, 9442010), (25, 7553608), (40, 4721005), (50, 3776804), (89, 2121800), (100, 1888402), (103, 1833400), (178, 1060900), (200, 944201), (206, 916700), (356, 530450), (412, 458350), (445, 424360), (515, 366680), (712, 265225), (824, 229175), (890, 212180), (1030, 183340), (1780, 106090), (2060, 91670), (2225, 84872), (2575, 73336), (3560, 53045), (4120, 45835), (4450, 42436), (5150, 36668), (8900, 21218), (9167, 20600), (10300, 18334), (10609, 17800)]