197911520

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 486422496

約数和(自身を除く): 288510976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 101, 148, 160, 185, 202, 296, 331, 370, 404, 505, 592, 662, 740, 808, 1010, 1184, 1324, 1480, 1616, 1655, 2020, 2648, 2960, 3232, 3310, 3737, 4040, 5296, 5920, 6620, 7474, 8080, 10592, 12247, 13240, 14948, 16160, 18685, 24494, 26480, 29896, 33431, 37370, 48988, 52960, 59792, 61235, 66862, 74740, 97976, 119584, 122470, 133724, 149480, 167155, 195952, 244940, 267448, 298960, 334310, 391904, 489880, 534896, 597920, 668620, 979760, 1069792, 1236947, 1337240, 1959520, 2473894, 2674480, 4947788, 5348960, 6184735, 9895576, 12369470, 19791152, 24738940, 39582304, 49477880, 98955760, 197911520]

約数ペア:

[(1, 197911520), (2, 98955760), (4, 49477880), (5, 39582304), (8, 24738940), (10, 19791152), (16, 12369470), (20, 9895576), (32, 6184735), (37, 5348960), (40, 4947788), (74, 2674480), (80, 2473894), (101, 1959520), (148, 1337240), (160, 1236947), (185, 1069792), (202, 979760), (296, 668620), (331, 597920), (370, 534896), (404, 489880), (505, 391904), (592, 334310), (662, 298960), (740, 267448), (808, 244940), (1010, 195952), (1184, 167155), (1324, 149480), (1480, 133724), (1616, 122470), (1655, 119584), (2020, 97976), (2648, 74740), (2960, 66862), (3232, 61235), (3310, 59792), (3737, 52960), (4040, 48988), (5296, 37370), (5920, 33431), (6620, 29896), (7474, 26480), (8080, 24494), (10592, 18685), (12247, 16160), (13240, 14948)]