420919996

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 921536000

約数和(自身を除く): 500616004

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 67, 76, 98, 133, 134, 196, 241, 266, 268, 343, 469, 482, 532, 686, 931, 938, 964, 1273, 1372, 1687, 1862, 1876, 2546, 3283, 3374, 3724, 4579, 5092, 6517, 6566, 6748, 8911, 9158, 11809, 13034, 13132, 16147, 17822, 18316, 22981, 23618, 26068, 32053, 32294, 35644, 45962, 47236, 62377, 64106, 64588, 82663, 91924, 113029, 124754, 128212, 165326, 224371, 226058, 249508, 306793, 330652, 436639, 448742, 452116, 613586, 791203, 873278, 897484, 1227172, 1570597, 1582406, 1746556, 2147551, 3141194, 3164812, 4295102, 5538421, 6282388, 8590204, 11076842, 15032857, 22153684, 30065714, 60131428, 105229999, 210459998, 420919996]

約数ペア:

[(1, 420919996), (2, 210459998), (4, 105229999), (7, 60131428), (14, 30065714), (19, 22153684), (28, 15032857), (38, 11076842), (49, 8590204), (67, 6282388), (76, 5538421), (98, 4295102), (133, 3164812), (134, 3141194), (196, 2147551), (241, 1746556), (266, 1582406), (268, 1570597), (343, 1227172), (469, 897484), (482, 873278), (532, 791203), (686, 613586), (931, 452116), (938, 448742), (964, 436639), (1273, 330652), (1372, 306793), (1687, 249508), (1862, 226058), (1876, 224371), (2546, 165326), (3283, 128212), (3374, 124754), (3724, 113029), (4579, 91924), (5092, 82663), (6517, 64588), (6566, 64106), (6748, 62377), (8911, 47236), (9158, 45962), (11809, 35644), (13034, 32294), (13132, 32053), (16147, 26068), (17822, 23618), (18316, 22981)]