278879796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 811283200

約数和(自身を除く): 532403404

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 79, 114, 117, 156, 158, 171, 228, 234, 237, 247, 316, 342, 397, 468, 474, 494, 684, 711, 741, 794, 948, 988, 1027, 1191, 1422, 1482, 1501, 1588, 2054, 2223, 2382, 2844, 2964, 3002, 3081, 3573, 4108, 4446, 4503, 4764, 5161, 6004, 6162, 7146, 7543, 8892, 9006, 9243, 10322, 12324, 13509, 14292, 15086, 15483, 18012, 18486, 19513, 20644, 22629, 27018, 30172, 30966, 31363, 36972, 39026, 45258, 46449, 54036, 58539, 61932, 62726, 67887, 78052, 90516, 92898, 94089, 98059, 117078, 125452, 135774, 175617, 185796, 188178, 196118, 234156, 271548, 282267, 294177, 351234, 376356, 392236, 407719, 564534, 588354, 595897, 702468, 815438, 882531, 1129068, 1176708, 1191794, 1223157, 1630876, 1765062, 1787691, 2383588, 2446314, 3530124, 3575382, 3669471, 4892628, 5363073, 7150764, 7338942, 7746661, 10726146, 14677884, 15493322, 21452292, 23239983, 30986644, 46479966, 69719949, 92959932, 139439898, 278879796]

約数ペア:

[(1, 278879796), (2, 139439898), (3, 92959932), (4, 69719949), (6, 46479966), (9, 30986644), (12, 23239983), (13, 21452292), (18, 15493322), (19, 14677884), (26, 10726146), (36, 7746661), (38, 7338942), (39, 7150764), (52, 5363073), (57, 4892628), (76, 3669471), (78, 3575382), (79, 3530124), (114, 2446314), (117, 2383588), (156, 1787691), (158, 1765062), (171, 1630876), (228, 1223157), (234, 1191794), (237, 1176708), (247, 1129068), (316, 882531), (342, 815438), (397, 702468), (468, 595897), (474, 588354), (494, 564534), (684, 407719), (711, 392236), (741, 376356), (794, 351234), (948, 294177), (988, 282267), (1027, 271548), (1191, 234156), (1422, 196118), (1482, 188178), (1501, 185796), (1588, 175617), (2054, 135774), (2223, 125452), (2382, 117078), (2844, 98059), (2964, 94089), (3002, 92898), (3081, 90516), (3573, 78052), (4108, 67887), (4446, 62726), (4503, 61932), (4764, 58539), (5161, 54036), (6004, 46449), (6162, 45258), (7146, 39026), (7543, 36972), (8892, 31363), (9006, 30966), (9243, 30172), (10322, 27018), (12324, 22629), (13509, 20644), (14292, 19513), (15086, 18486), (15483, 18012)]