13965820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 33516000

約数和(自身を除く): 19550180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 199, 220, 242, 290, 319, 398, 484, 580, 605, 638, 796, 995, 1210, 1276, 1595, 1990, 2189, 2420, 3190, 3509, 3980, 4378, 5771, 6380, 7018, 8756, 10945, 11542, 14036, 17545, 21890, 23084, 24079, 28855, 35090, 43780, 48158, 57710, 63481, 70180, 96316, 115420, 120395, 126962, 240790, 253924, 317405, 481580, 634810, 698291, 1269620, 1396582, 2793164, 3491455, 6982910, 13965820]

約数ペア:

[(1, 13965820), (2, 6982910), (4, 3491455), (5, 2793164), (10, 1396582), (11, 1269620), (20, 698291), (22, 634810), (29, 481580), (44, 317405), (55, 253924), (58, 240790), (110, 126962), (116, 120395), (121, 115420), (145, 96316), (199, 70180), (220, 63481), (242, 57710), (290, 48158), (319, 43780), (398, 35090), (484, 28855), (580, 24079), (605, 23084), (638, 21890), (796, 17545), (995, 14036), (1210, 11542), (1276, 10945), (1595, 8756), (1990, 7018), (2189, 6380), (2420, 5771), (3190, 4378), (3509, 3980)]