121212686540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1\times {\mathrm{176989}}^1$

素因数の和:177303

約数の個数: 72

約数和(自身を含む): 280781183760

約数和(自身を除く): 159568497220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 283, 484, 566, 605, 1132, 1210, 1415, 2420, 2830, 3113, 5660, 6226, 12452, 15565, 31130, 34243, 62260, 68486, 136972, 171215, 176989, 342430, 353978, 684860, 707956, 884945, 1769890, 1946879, 3539780, 3893758, 7787516, 9734395, 19468790, 21415669, 38937580, 42831338, 50087887, 85662676, 100175774, 107078345, 200351548, 214156690, 250439435, 428313380, 500878870, 550966757, 1001757740, 1101933514, 2203867028, 2754833785, 5509667570, 6060634327, 11019335140, 12121268654, 24242537308, 30303171635, 60606343270, 121212686540]

約数ペア:

[(1, 121212686540), (2, 60606343270), (4, 30303171635), (5, 24242537308), (10, 12121268654), (11, 11019335140), (20, 6060634327), (22, 5509667570), (44, 2754833785), (55, 2203867028), (110, 1101933514), (121, 1001757740), (220, 550966757), (242, 500878870), (283, 428313380), (484, 250439435), (566, 214156690), (605, 200351548), (1132, 107078345), (1210, 100175774), (1415, 85662676), (2420, 50087887), (2830, 42831338), (3113, 38937580), (5660, 21415669), (6226, 19468790), (12452, 9734395), (15565, 7787516), (31130, 3893758), (34243, 3539780), (62260, 1946879), (68486, 1769890), (136972, 884945), (171215, 707956), (176989, 684860), (342430, 353978)]