278316636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 767370240

約数和(自身を除く): 489053604

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 169, 186, 228, 233, 247, 338, 372, 403, 466, 494, 507, 589, 676, 699, 741, 806, 932, 988, 1014, 1178, 1209, 1398, 1482, 1612, 1767, 2028, 2356, 2418, 2796, 2964, 3029, 3211, 3534, 4427, 4836, 5239, 6058, 6422, 7068, 7223, 7657, 8854, 9087, 9633, 10478, 12116, 12844, 13281, 14446, 15314, 15717, 17708, 18174, 19266, 20956, 21669, 22971, 26562, 28892, 30628, 31434, 36348, 38532, 39377, 43338, 45942, 53124, 57551, 62868, 78754, 86676, 91884, 93899, 99541, 115102, 118131, 137237, 157508, 172653, 187798, 199082, 230204, 236262, 274474, 281697, 298623, 345306, 375596, 398164, 411711, 472524, 548948, 563394, 597246, 690612, 748163, 823422, 1126788, 1194492, 1220687, 1496326, 1646844, 1784081, 2244489, 2441374, 2992652, 3568162, 3662061, 4488978, 4882748, 5352243, 7136324, 7324122, 8977956, 10704486, 14648244, 21408972, 23193053, 46386106, 69579159, 92772212, 139158318, 278316636]

約数ペア:

[(1, 278316636), (2, 139158318), (3, 92772212), (4, 69579159), (6, 46386106), (12, 23193053), (13, 21408972), (19, 14648244), (26, 10704486), (31, 8977956), (38, 7324122), (39, 7136324), (52, 5352243), (57, 4882748), (62, 4488978), (76, 3662061), (78, 3568162), (93, 2992652), (114, 2441374), (124, 2244489), (156, 1784081), (169, 1646844), (186, 1496326), (228, 1220687), (233, 1194492), (247, 1126788), (338, 823422), (372, 748163), (403, 690612), (466, 597246), (494, 563394), (507, 548948), (589, 472524), (676, 411711), (699, 398164), (741, 375596), (806, 345306), (932, 298623), (988, 281697), (1014, 274474), (1178, 236262), (1209, 230204), (1398, 199082), (1482, 187798), (1612, 172653), (1767, 157508), (2028, 137237), (2356, 118131), (2418, 115102), (2796, 99541), (2964, 93899), (3029, 91884), (3211, 86676), (3534, 78754), (4427, 62868), (4836, 57551), (5239, 53124), (6058, 45942), (6422, 43338), (7068, 39377), (7223, 38532), (7657, 36348), (8854, 31434), (9087, 30628), (9633, 28892), (10478, 26562), (12116, 22971), (12844, 21669), (13281, 20956), (14446, 19266), (15314, 18174), (15717, 17708)]