904129136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 1917020160

約数和(自身を除く): 1012891024

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 197, 248, 304, 394, 487, 496, 589, 788, 974, 1178, 1576, 1948, 2356, 3152, 3743, 3896, 4712, 6107, 7486, 7792, 9253, 9424, 12214, 14972, 15097, 18506, 24428, 29944, 30194, 37012, 48856, 59888, 60388, 74024, 95939, 97712, 116033, 120776, 148048, 191878, 232066, 241552, 286843, 383756, 464132, 573686, 767512, 928264, 1147372, 1535024, 1822841, 1856528, 2294744, 2974109, 3645682, 4589488, 5948218, 7291364, 11896436, 14582728, 23792872, 29165456, 47585744, 56508071, 113016142, 226032284, 452064568, 904129136]

約数ペア:

[(1, 904129136), (2, 452064568), (4, 226032284), (8, 113016142), (16, 56508071), (19, 47585744), (31, 29165456), (38, 23792872), (62, 14582728), (76, 11896436), (124, 7291364), (152, 5948218), (197, 4589488), (248, 3645682), (304, 2974109), (394, 2294744), (487, 1856528), (496, 1822841), (589, 1535024), (788, 1147372), (974, 928264), (1178, 767512), (1576, 573686), (1948, 464132), (2356, 383756), (3152, 286843), (3743, 241552), (3896, 232066), (4712, 191878), (6107, 148048), (7486, 120776), (7792, 116033), (9253, 97712), (9424, 95939), (12214, 74024), (14972, 60388), (15097, 59888), (18506, 48856), (24428, 37012), (29944, 30194)]