219526520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1951}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 516499200

約数和(自身を除く): 296972680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 290, 388, 485, 580, 776, 970, 1160, 1940, 1951, 2813, 3880, 3902, 5626, 7804, 9755, 11252, 14065, 15608, 19510, 22504, 28130, 39020, 56260, 56579, 78040, 112520, 113158, 189247, 226316, 282895, 378494, 452632, 565790, 756988, 946235, 1131580, 1513976, 1892470, 2263160, 3784940, 5488163, 7569880, 10976326, 21952652, 27440815, 43905304, 54881630, 109763260, 219526520]

約数ペア:

[(1, 219526520), (2, 109763260), (4, 54881630), (5, 43905304), (8, 27440815), (10, 21952652), (20, 10976326), (29, 7569880), (40, 5488163), (58, 3784940), (97, 2263160), (116, 1892470), (145, 1513976), (194, 1131580), (232, 946235), (290, 756988), (388, 565790), (485, 452632), (580, 378494), (776, 282895), (970, 226316), (1160, 189247), (1940, 113158), (1951, 112520), (2813, 78040), (3880, 56579), (3902, 56260), (5626, 39020), (7804, 28130), (9755, 22504), (11252, 19510), (14065, 15608)]