398913816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2741

約数の個数: 128

約数和(自身を含む): 1225728000

約数和(自身を除く): 826814184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 47, 56, 57, 76, 84, 94, 114, 133, 141, 152, 168, 188, 228, 266, 282, 329, 376, 399, 456, 532, 564, 658, 798, 893, 987, 1064, 1128, 1316, 1596, 1786, 1974, 2632, 2659, 2679, 3192, 3572, 3948, 5318, 5358, 6251, 7144, 7896, 7977, 10636, 10716, 12502, 15954, 18613, 18753, 21272, 21432, 25004, 31908, 37226, 37506, 50008, 50521, 55839, 63816, 74452, 75012, 101042, 111678, 124973, 148904, 150024, 151563, 202084, 223356, 249946, 303126, 353647, 374919, 404168, 446712, 499892, 606252, 707294, 749838, 874811, 999784, 1060941, 1212504, 1414588, 1499676, 1749622, 2121882, 2374487, 2624433, 2829176, 2999352, 3499244, 4243764, 4748974, 5248866, 6998488, 7123461, 8487528, 9497948, 10497732, 14246922, 16621409, 18995896, 20995464, 28493844, 33242818, 49864227, 56987688, 66485636, 99728454, 132971272, 199456908, 398913816]

約数ペア:

[(1, 398913816), (2, 199456908), (3, 132971272), (4, 99728454), (6, 66485636), (7, 56987688), (8, 49864227), (12, 33242818), (14, 28493844), (19, 20995464), (21, 18995896), (24, 16621409), (28, 14246922), (38, 10497732), (42, 9497948), (47, 8487528), (56, 7123461), (57, 6998488), (76, 5248866), (84, 4748974), (94, 4243764), (114, 3499244), (133, 2999352), (141, 2829176), (152, 2624433), (168, 2374487), (188, 2121882), (228, 1749622), (266, 1499676), (282, 1414588), (329, 1212504), (376, 1060941), (399, 999784), (456, 874811), (532, 749838), (564, 707294), (658, 606252), (798, 499892), (893, 446712), (987, 404168), (1064, 374919), (1128, 353647), (1316, 303126), (1596, 249946), (1786, 223356), (1974, 202084), (2632, 151563), (2659, 150024), (2679, 148904), (3192, 124973), (3572, 111678), (3948, 101042), (5318, 75012), (5358, 74452), (6251, 63816), (7144, 55839), (7896, 50521), (7977, 50008), (10636, 37506), (10716, 37226), (12502, 31908), (15954, 25004), (18613, 21432), (18753, 21272)]