1200636700

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 2649205440

約数和(自身を除く): 1448568740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 313, 356, 431, 445, 626, 862, 890, 1252, 1565, 1724, 1780, 2155, 2225, 3130, 4310, 4450, 6260, 7825, 8620, 8900, 10775, 15650, 21550, 27857, 31300, 38359, 43100, 55714, 76718, 111428, 134903, 139285, 153436, 191795, 269806, 278570, 383590, 539612, 557140, 674515, 696425, 767180, 958975, 1349030, 1392850, 1917950, 2698060, 2785700, 3372575, 3835900, 6745150, 12006367, 13490300, 24012734, 48025468, 60031835, 120063670, 240127340, 300159175, 600318350, 1200636700]

約数ペア:

[(1, 1200636700), (2, 600318350), (4, 300159175), (5, 240127340), (10, 120063670), (20, 60031835), (25, 48025468), (50, 24012734), (89, 13490300), (100, 12006367), (178, 6745150), (313, 3835900), (356, 3372575), (431, 2785700), (445, 2698060), (626, 1917950), (862, 1392850), (890, 1349030), (1252, 958975), (1565, 767180), (1724, 696425), (1780, 674515), (2155, 557140), (2225, 539612), (3130, 383590), (4310, 278570), (4450, 269806), (6260, 191795), (7825, 153436), (8620, 139285), (8900, 134903), (10775, 111428), (15650, 76718), (21550, 55714), (27857, 43100), (31300, 38359)]