201111880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2053}}^1$

素因数の和:2174

約数の個数: 64

約数和(自身を含む): 473241600

約数和(自身を除く): 272129720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2053, 2449, 3160, 4106, 4898, 8212, 9796, 10265, 12245, 16424, 19592, 20530, 24490, 41060, 48980, 63643, 82120, 97960, 127286, 162187, 254572, 318215, 324374, 509144, 636430, 648748, 810935, 1272860, 1297496, 1621870, 2545720, 3243740, 5027797, 6487480, 10055594, 20111188, 25138985, 40222376, 50277970, 100555940, 201111880]

約数ペア:

[(1, 201111880), (2, 100555940), (4, 50277970), (5, 40222376), (8, 25138985), (10, 20111188), (20, 10055594), (31, 6487480), (40, 5027797), (62, 3243740), (79, 2545720), (124, 1621870), (155, 1297496), (158, 1272860), (248, 810935), (310, 648748), (316, 636430), (395, 509144), (620, 324374), (632, 318215), (790, 254572), (1240, 162187), (1580, 127286), (2053, 97960), (2449, 82120), (3160, 63643), (4106, 48980), (4898, 41060), (8212, 24490), (9796, 20530), (10265, 19592), (12245, 16424)]