20147661550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{1009}}^1$

素因数の和:1390

約数の個数: 96

約数和(自身を含む): 39766204800

約数和(自身を除く): 19618543250

約数列:

[1, 2, 5, 10, 25, 29, 47, 50, 58, 94, 145, 235, 290, 293, 470, 586, 725, 1009, 1175, 1363, 1450, 1465, 2018, 2350, 2726, 2930, 5045, 6815, 7325, 8497, 10090, 13630, 13771, 14650, 16994, 25225, 27542, 29261, 34075, 42485, 47423, 50450, 58522, 68150, 68855, 84970, 94846, 137710, 146305, 212425, 237115, 292610, 295637, 344275, 399359, 424850, 474230, 591274, 688550, 731525, 798718, 1185575, 1375267, 1463050, 1478185, 1996795, 2371150, 2750534, 2956370, 3993590, 6876335, 7390925, 8573473, 9983975, 13752670, 13894939, 14781850, 17146946, 19967950, 27789878, 34381675, 42867365, 68763350, 69474695, 85734730, 138949390, 214336825, 347373475, 402953231, 428673650, 694746950, 805906462, 2014766155, 4029532310, 10073830775, 20147661550]

約数ペア:

[(1, 20147661550), (2, 10073830775), (5, 4029532310), (10, 2014766155), (25, 805906462), (29, 694746950), (47, 428673650), (50, 402953231), (58, 347373475), (94, 214336825), (145, 138949390), (235, 85734730), (290, 69474695), (293, 68763350), (470, 42867365), (586, 34381675), (725, 27789878), (1009, 19967950), (1175, 17146946), (1363, 14781850), (1450, 13894939), (1465, 13752670), (2018, 9983975), (2350, 8573473), (2726, 7390925), (2930, 6876335), (5045, 3993590), (6815, 2956370), (7325, 2750534), (8497, 2371150), (10090, 1996795), (13630, 1478185), (13771, 1463050), (14650, 1375267), (16994, 1185575), (25225, 798718), (27542, 731525), (29261, 688550), (34075, 591274), (42485, 474230), (47423, 424850), (50450, 399359), (58522, 344275), (68150, 295637), (68855, 292610), (84970, 237115), (94846, 212425), (137710, 146305)]