280353708

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1097}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 735396480

約数和(自身を除く): 455042772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 229, 279, 372, 458, 558, 687, 916, 1097, 1116, 1374, 2061, 2194, 2748, 3291, 4122, 4388, 6582, 7099, 8244, 9873, 13164, 14198, 19746, 21297, 28396, 34007, 39492, 42594, 63891, 68014, 85188, 102021, 127782, 136028, 204042, 251213, 255564, 306063, 408084, 502426, 612126, 753639, 1004852, 1224252, 1507278, 2260917, 3014556, 4521834, 7787603, 9043668, 15575206, 23362809, 31150412, 46725618, 70088427, 93451236, 140176854, 280353708]

約数ペア:

[(1, 280353708), (2, 140176854), (3, 93451236), (4, 70088427), (6, 46725618), (9, 31150412), (12, 23362809), (18, 15575206), (31, 9043668), (36, 7787603), (62, 4521834), (93, 3014556), (124, 2260917), (186, 1507278), (229, 1224252), (279, 1004852), (372, 753639), (458, 612126), (558, 502426), (687, 408084), (916, 306063), (1097, 255564), (1116, 251213), (1374, 204042), (2061, 136028), (2194, 127782), (2748, 102021), (3291, 85188), (4122, 68014), (4388, 63891), (6582, 42594), (7099, 39492), (8244, 34007), (9873, 28396), (13164, 21297), (14198, 19746)]