489265808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 1039219200

約数和(自身を除く): 549953392

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 193, 248, 269, 304, 386, 496, 538, 589, 772, 1076, 1178, 1544, 2152, 2356, 3088, 3667, 4304, 4712, 5111, 5983, 7334, 8339, 9424, 10222, 11966, 14668, 16678, 20444, 23932, 29336, 33356, 40888, 47864, 51917, 58672, 66712, 81776, 95728, 103834, 113677, 133424, 158441, 207668, 227354, 316882, 415336, 454708, 633764, 830672, 909416, 986423, 1267528, 1609427, 1818832, 1972846, 2535056, 3218854, 3945692, 6437708, 7891384, 12875416, 15782768, 25750832, 30579113, 61158226, 122316452, 244632904, 489265808]

約数ペア:

[(1, 489265808), (2, 244632904), (4, 122316452), (8, 61158226), (16, 30579113), (19, 25750832), (31, 15782768), (38, 12875416), (62, 7891384), (76, 6437708), (124, 3945692), (152, 3218854), (193, 2535056), (248, 1972846), (269, 1818832), (304, 1609427), (386, 1267528), (496, 986423), (538, 909416), (589, 830672), (772, 633764), (1076, 454708), (1178, 415336), (1544, 316882), (2152, 227354), (2356, 207668), (3088, 158441), (3667, 133424), (4304, 113677), (4712, 103834), (5111, 95728), (5983, 81776), (7334, 66712), (8339, 58672), (9424, 51917), (10222, 47864), (11966, 40888), (14668, 33356), (16678, 29336), (20444, 23932)]