55918700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 125929440

約数和(自身を除く): 70010740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 89, 100, 103, 122, 178, 206, 244, 305, 356, 412, 445, 515, 610, 890, 1030, 1220, 1525, 1780, 2060, 2225, 2575, 3050, 4450, 5150, 5429, 6100, 6283, 8900, 9167, 10300, 10858, 12566, 18334, 21716, 25132, 27145, 31415, 36668, 45835, 54290, 62830, 91670, 108580, 125660, 135725, 157075, 183340, 229175, 271450, 314150, 458350, 542900, 559187, 628300, 916700, 1118374, 2236748, 2795935, 5591870, 11183740, 13979675, 27959350, 55918700]

約数ペア:

[(1, 55918700), (2, 27959350), (4, 13979675), (5, 11183740), (10, 5591870), (20, 2795935), (25, 2236748), (50, 1118374), (61, 916700), (89, 628300), (100, 559187), (103, 542900), (122, 458350), (178, 314150), (206, 271450), (244, 229175), (305, 183340), (356, 157075), (412, 135725), (445, 125660), (515, 108580), (610, 91670), (890, 62830), (1030, 54290), (1220, 45835), (1525, 36668), (1780, 31415), (2060, 27145), (2225, 25132), (2575, 21716), (3050, 18334), (4450, 12566), (5150, 10858), (5429, 10300), (6100, 9167), (6283, 8900)]