253507956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 700660800

約数和(自身を除く): 447152844

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 89, 93, 114, 124, 156, 178, 186, 228, 247, 267, 356, 372, 403, 494, 534, 589, 741, 806, 961, 988, 1068, 1157, 1178, 1209, 1482, 1612, 1691, 1767, 1922, 2314, 2356, 2418, 2759, 2883, 2964, 3382, 3471, 3534, 3844, 4628, 4836, 5073, 5518, 5766, 6764, 6942, 7068, 7657, 8277, 10146, 11036, 11532, 12493, 13884, 15314, 16554, 18259, 20292, 21983, 22971, 24986, 30628, 33108, 35867, 36518, 37479, 43966, 45942, 49972, 52421, 54777, 65949, 71734, 73036, 74958, 85529, 87932, 91884, 104842, 107601, 109554, 131898, 143468, 149916, 157263, 171058, 209684, 215202, 219108, 237367, 256587, 263796, 314526, 342116, 430404, 474734, 513174, 629052, 681473, 712101, 949468, 1026348, 1111877, 1362946, 1424202, 1625051, 2044419, 2223754, 2725892, 2848404, 3250102, 3335631, 4088838, 4447508, 4875153, 6500204, 6671262, 8177676, 9750306, 13342524, 19500612, 21125663, 42251326, 63376989, 84502652, 126753978, 253507956]

約数ペア:

[(1, 253507956), (2, 126753978), (3, 84502652), (4, 63376989), (6, 42251326), (12, 21125663), (13, 19500612), (19, 13342524), (26, 9750306), (31, 8177676), (38, 6671262), (39, 6500204), (52, 4875153), (57, 4447508), (62, 4088838), (76, 3335631), (78, 3250102), (89, 2848404), (93, 2725892), (114, 2223754), (124, 2044419), (156, 1625051), (178, 1424202), (186, 1362946), (228, 1111877), (247, 1026348), (267, 949468), (356, 712101), (372, 681473), (403, 629052), (494, 513174), (534, 474734), (589, 430404), (741, 342116), (806, 314526), (961, 263796), (988, 256587), (1068, 237367), (1157, 219108), (1178, 215202), (1209, 209684), (1482, 171058), (1612, 157263), (1691, 149916), (1767, 143468), (1922, 131898), (2314, 109554), (2356, 107601), (2418, 104842), (2759, 91884), (2883, 87932), (2964, 85529), (3382, 74958), (3471, 73036), (3534, 71734), (3844, 65949), (4628, 54777), (4836, 52421), (5073, 49972), (5518, 45942), (5766, 43966), (6764, 37479), (6942, 36518), (7068, 35867), (7657, 33108), (8277, 30628), (10146, 24986), (11036, 22971), (11532, 21983), (12493, 20292), (13884, 18259), (15314, 16554)]