251891056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 531216000

約数和(自身を除く): 279324944

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 83, 134, 149, 152, 166, 268, 298, 304, 332, 536, 596, 664, 1072, 1192, 1273, 1328, 1577, 2384, 2546, 2831, 3154, 5092, 5561, 5662, 6308, 9983, 10184, 11122, 11324, 12367, 12616, 19966, 20368, 22244, 22648, 24734, 25232, 39932, 44488, 45296, 49468, 79864, 88976, 98936, 105659, 159728, 189677, 197872, 211318, 234973, 379354, 422636, 469946, 758708, 828589, 845272, 939892, 1517416, 1657178, 1690544, 1879784, 3034832, 3314356, 3759568, 6628712, 13257424, 15743191, 31486382, 62972764, 125945528, 251891056]

約数ペア:

[(1, 251891056), (2, 125945528), (4, 62972764), (8, 31486382), (16, 15743191), (19, 13257424), (38, 6628712), (67, 3759568), (76, 3314356), (83, 3034832), (134, 1879784), (149, 1690544), (152, 1657178), (166, 1517416), (268, 939892), (298, 845272), (304, 828589), (332, 758708), (536, 469946), (596, 422636), (664, 379354), (1072, 234973), (1192, 211318), (1273, 197872), (1328, 189677), (1577, 159728), (2384, 105659), (2546, 98936), (2831, 88976), (3154, 79864), (5092, 49468), (5561, 45296), (5662, 44488), (6308, 39932), (9983, 25232), (10184, 24734), (11122, 22648), (11324, 22244), (12367, 20368), (12616, 19966)]