51383860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 125685000

約数和(自身を除く): 74301140

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1249, 1870, 2057, 2420, 2498, 3740, 4114, 4996, 6245, 8228, 10285, 12490, 13739, 20570, 21233, 24980, 27478, 41140, 42466, 54956, 68695, 84932, 106165, 137390, 151129, 212330, 233563, 274780, 302258, 424660, 467126, 604516, 755645, 934252, 1167815, 1511290, 2335630, 2569193, 3022580, 4671260, 5138386, 10276772, 12845965, 25691930, 51383860]

約数ペア:

[(1, 51383860), (2, 25691930), (4, 12845965), (5, 10276772), (10, 5138386), (11, 4671260), (17, 3022580), (20, 2569193), (22, 2335630), (34, 1511290), (44, 1167815), (55, 934252), (68, 755645), (85, 604516), (110, 467126), (121, 424660), (170, 302258), (187, 274780), (220, 233563), (242, 212330), (340, 151129), (374, 137390), (484, 106165), (605, 84932), (748, 68695), (935, 54956), (1210, 42466), (1249, 41140), (1870, 27478), (2057, 24980), (2420, 21233), (2498, 20570), (3740, 13739), (4114, 12490), (4996, 10285), (6245, 8228)]