247049820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6967}}^1$

素因数の和:7179

約数の個数: 72

約数和(自身を含む): 753296544

約数和(自身を除く): 506246724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 6967, 7092, 8865, 11820, 13934, 17730, 20901, 27868, 34835, 35460, 41802, 62703, 69670, 83604, 104505, 125406, 139340, 209010, 250812, 313515, 418020, 627030, 1254060, 1372499, 2744998, 4117497, 5489996, 6862495, 8234994, 12352491, 13724990, 16469988, 20587485, 24704982, 27449980, 41174970, 49409964, 61762455, 82349940, 123524910, 247049820]

約数ペア:

[(1, 247049820), (2, 123524910), (3, 82349940), (4, 61762455), (5, 49409964), (6, 41174970), (9, 27449980), (10, 24704982), (12, 20587485), (15, 16469988), (18, 13724990), (20, 12352491), (30, 8234994), (36, 6862495), (45, 5489996), (60, 4117497), (90, 2744998), (180, 1372499), (197, 1254060), (394, 627030), (591, 418020), (788, 313515), (985, 250812), (1182, 209010), (1773, 139340), (1970, 125406), (2364, 104505), (2955, 83604), (3546, 69670), (3940, 62703), (5910, 41802), (6967, 35460), (7092, 34835), (8865, 27868), (11820, 20901), (13934, 17730)]