8921536220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 19693497600

約数和(自身を除く): 10771961380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 401, 431, 445, 580, 802, 862, 890, 1604, 1724, 1780, 2005, 2155, 2581, 4010, 4310, 5162, 8020, 8620, 10324, 11629, 12499, 12905, 23258, 24998, 25810, 35689, 38359, 46516, 49996, 51620, 58145, 62495, 71378, 76718, 116290, 124990, 142756, 153436, 172831, 178445, 191795, 232580, 249980, 345662, 356890, 383590, 691324, 713780, 767180, 864155, 1034981, 1112411, 1728310, 2069962, 2224822, 3456620, 4139924, 4449644, 5012099, 5174905, 5562055, 10024198, 10349810, 11124110, 15381959, 20048396, 20699620, 22248220, 25060495, 30763918, 50120990, 61527836, 76909795, 100241980, 153819590, 307639180, 446076811, 892153622, 1784307244, 2230384055, 4460768110, 8921536220]

約数ペア:

[(1, 8921536220), (2, 4460768110), (4, 2230384055), (5, 1784307244), (10, 892153622), (20, 446076811), (29, 307639180), (58, 153819590), (89, 100241980), (116, 76909795), (145, 61527836), (178, 50120990), (290, 30763918), (356, 25060495), (401, 22248220), (431, 20699620), (445, 20048396), (580, 15381959), (802, 11124110), (862, 10349810), (890, 10024198), (1604, 5562055), (1724, 5174905), (1780, 5012099), (2005, 4449644), (2155, 4139924), (2581, 3456620), (4010, 2224822), (4310, 2069962), (5162, 1728310), (8020, 1112411), (8620, 1034981), (10324, 864155), (11629, 767180), (12499, 713780), (12905, 691324), (23258, 383590), (24998, 356890), (25810, 345662), (35689, 249980), (38359, 232580), (46516, 191795), (49996, 178445), (51620, 172831), (58145, 153436), (62495, 142756), (71378, 124990), (76718, 116290)]