398361904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 859944960

約数和(自身を除く): 461583056

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 41, 62, 76, 82, 124, 152, 164, 248, 304, 328, 496, 589, 656, 779, 1031, 1178, 1271, 1558, 2062, 2356, 2542, 3116, 4124, 4712, 5084, 6232, 8248, 9424, 10168, 12464, 16496, 19589, 20336, 24149, 31961, 39178, 42271, 48298, 63922, 78356, 84542, 96596, 127844, 156712, 169084, 193192, 255688, 313424, 338168, 386384, 511376, 607259, 676336, 803149, 1214518, 1310401, 1606298, 2429036, 2620802, 3212596, 4858072, 5241604, 6425192, 9716144, 10483208, 12850384, 20966416, 24897619, 49795238, 99590476, 199180952, 398361904]

約数ペア:

[(1, 398361904), (2, 199180952), (4, 99590476), (8, 49795238), (16, 24897619), (19, 20966416), (31, 12850384), (38, 10483208), (41, 9716144), (62, 6425192), (76, 5241604), (82, 4858072), (124, 3212596), (152, 2620802), (164, 2429036), (248, 1606298), (304, 1310401), (328, 1214518), (496, 803149), (589, 676336), (656, 607259), (779, 511376), (1031, 386384), (1178, 338168), (1271, 313424), (1558, 255688), (2062, 193192), (2356, 169084), (2542, 156712), (3116, 127844), (4124, 96596), (4712, 84542), (5084, 78356), (6232, 63922), (8248, 48298), (9424, 42271), (10168, 39178), (12464, 31961), (16496, 24149), (19589, 20336)]