220696280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1567}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 568995840

約数和(自身を除く): 348299560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 503, 1006, 1567, 2012, 2515, 3134, 3521, 4024, 5030, 6268, 7042, 7835, 10060, 10969, 12536, 14084, 15670, 17605, 20120, 21938, 28168, 31340, 35210, 43876, 54845, 62680, 70420, 87752, 109690, 140840, 219380, 438760, 788201, 1576402, 3152804, 3941005, 5517407, 6305608, 7882010, 11034814, 15764020, 22069628, 27587035, 31528040, 44139256, 55174070, 110348140, 220696280]

約数ペア:

[(1, 220696280), (2, 110348140), (4, 55174070), (5, 44139256), (7, 31528040), (8, 27587035), (10, 22069628), (14, 15764020), (20, 11034814), (28, 7882010), (35, 6305608), (40, 5517407), (56, 3941005), (70, 3152804), (140, 1576402), (280, 788201), (503, 438760), (1006, 219380), (1567, 140840), (2012, 109690), (2515, 87752), (3134, 70420), (3521, 62680), (4024, 54845), (5030, 43876), (6268, 35210), (7042, 31340), (7835, 28168), (10060, 21938), (10969, 20120), (12536, 17605), (14084, 15670)]