201899170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 411505920

約数和(自身を除く): 209606750

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 89, 110, 178, 205, 410, 445, 451, 503, 890, 902, 979, 1006, 1958, 2255, 2515, 3649, 4510, 4895, 5030, 5533, 7298, 9790, 11066, 18245, 20623, 27665, 36490, 40139, 41246, 44767, 55330, 80278, 89534, 103115, 200695, 206230, 223835, 226853, 401390, 447670, 453706, 492437, 984874, 1134265, 1835447, 2268530, 2462185, 3670894, 4924370, 9177235, 18354470, 20189917, 40379834, 100949585, 201899170]

約数ペア:

[(1, 201899170), (2, 100949585), (5, 40379834), (10, 20189917), (11, 18354470), (22, 9177235), (41, 4924370), (55, 3670894), (82, 2462185), (89, 2268530), (110, 1835447), (178, 1134265), (205, 984874), (410, 492437), (445, 453706), (451, 447670), (503, 401390), (890, 226853), (902, 223835), (979, 206230), (1006, 200695), (1958, 103115), (2255, 89534), (2515, 80278), (3649, 55330), (4510, 44767), (4895, 41246), (5030, 40139), (5533, 36490), (7298, 27665), (9790, 20623), (11066, 18245)]