388532340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{308359}}^1$

素因数の和:308381

約数の個数: 72

約数和(自身を含む): 1346916480

約数和(自身を除く): 958384140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 308359, 616718, 925077, 1233436, 1541795, 1850154, 2158513, 2775231, 3083590, 3700308, 4317026, 4625385, 5550462, 6167180, 6475539, 8634052, 9250770, 10792565, 11100924, 12951078, 13876155, 18501540, 19426617, 21585130, 25902156, 27752310, 32377695, 38853234, 43170260, 55504620, 64755390, 77706468, 97133085, 129510780, 194266170, 388532340]

約数ペア:

[(1, 388532340), (2, 194266170), (3, 129510780), (4, 97133085), (5, 77706468), (6, 64755390), (7, 55504620), (9, 43170260), (10, 38853234), (12, 32377695), (14, 27752310), (15, 25902156), (18, 21585130), (20, 19426617), (21, 18501540), (28, 13876155), (30, 12951078), (35, 11100924), (36, 10792565), (42, 9250770), (45, 8634052), (60, 6475539), (63, 6167180), (70, 5550462), (84, 4625385), (90, 4317026), (105, 3700308), (126, 3083590), (140, 2775231), (180, 2158513), (210, 1850154), (252, 1541795), (315, 1233436), (420, 925077), (630, 616718), (1260, 308359)]