253420908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 688665600

約数和(自身を除く): 435244692

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 116, 124, 139, 156, 169, 174, 186, 278, 338, 348, 372, 377, 403, 417, 507, 556, 676, 754, 806, 834, 899, 1014, 1131, 1209, 1508, 1612, 1668, 1798, 1807, 2028, 2262, 2418, 2697, 3596, 3614, 4031, 4309, 4524, 4836, 4901, 5239, 5394, 5421, 7228, 8062, 8618, 9802, 10478, 10788, 10842, 11687, 12093, 12927, 14703, 15717, 16124, 17236, 19604, 20956, 21684, 23374, 23491, 24186, 25854, 29406, 31434, 35061, 46748, 46982, 48372, 51708, 52403, 56017, 58812, 62868, 70122, 70473, 93964, 104806, 112034, 124961, 140244, 140946, 151931, 157209, 168051, 209612, 224068, 249922, 281892, 303862, 314418, 336102, 374883, 455793, 499844, 607724, 628836, 672204, 681239, 728221, 749766, 911586, 1362478, 1456442, 1499532, 1624493, 1823172, 2043717, 2184663, 2724956, 2912884, 3248986, 4087434, 4369326, 4873479, 6497972, 8174868, 8738652, 9746958, 19493916, 21118409, 42236818, 63355227, 84473636, 126710454, 253420908]

約数ペア:

[(1, 253420908), (2, 126710454), (3, 84473636), (4, 63355227), (6, 42236818), (12, 21118409), (13, 19493916), (26, 9746958), (29, 8738652), (31, 8174868), (39, 6497972), (52, 4873479), (58, 4369326), (62, 4087434), (78, 3248986), (87, 2912884), (93, 2724956), (116, 2184663), (124, 2043717), (139, 1823172), (156, 1624493), (169, 1499532), (174, 1456442), (186, 1362478), (278, 911586), (338, 749766), (348, 728221), (372, 681239), (377, 672204), (403, 628836), (417, 607724), (507, 499844), (556, 455793), (676, 374883), (754, 336102), (806, 314418), (834, 303862), (899, 281892), (1014, 249922), (1131, 224068), (1209, 209612), (1508, 168051), (1612, 157209), (1668, 151931), (1798, 140946), (1807, 140244), (2028, 124961), (2262, 112034), (2418, 104806), (2697, 93964), (3596, 70473), (3614, 70122), (4031, 62868), (4309, 58812), (4524, 56017), (4836, 52403), (4901, 51708), (5239, 48372), (5394, 46982), (5421, 46748), (7228, 35061), (8062, 31434), (8618, 29406), (9802, 25854), (10478, 24186), (10788, 23491), (10842, 23374), (11687, 21684), (12093, 20956), (12927, 19604), (14703, 17236), (15717, 16124)]