840708550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{52709}}^1$

素因数の和:52761

約数の個数: 48

約数和(自身を含む): 1764730800

約数和(自身を除く): 924022250

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1450, 1595, 3190, 7975, 15950, 52709, 105418, 263545, 527090, 579799, 1159598, 1317725, 1528561, 2635450, 2898995, 3057122, 5797990, 7642805, 14494975, 15285610, 16814171, 28989950, 33628342, 38214025, 76428050, 84070855, 168141710, 420354275, 840708550]

約数ペア:

[(1, 840708550), (2, 420354275), (5, 168141710), (10, 84070855), (11, 76428050), (22, 38214025), (25, 33628342), (29, 28989950), (50, 16814171), (55, 15285610), (58, 14494975), (110, 7642805), (145, 5797990), (275, 3057122), (290, 2898995), (319, 2635450), (550, 1528561), (638, 1317725), (725, 1159598), (1450, 579799), (1595, 527090), (3190, 263545), (7975, 105418), (15950, 52709)]