257877804

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 652288000

約数和(自身を除く): 394410196

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 79, 103, 114, 139, 158, 206, 228, 237, 278, 309, 316, 412, 417, 474, 556, 618, 834, 948, 1236, 1501, 1668, 1957, 2641, 3002, 3914, 4503, 5282, 5871, 6004, 7828, 7923, 8137, 9006, 10564, 10981, 11742, 14317, 15846, 16274, 18012, 21962, 23484, 24411, 28634, 31692, 32548, 32943, 42951, 43924, 48822, 57268, 65886, 85902, 97644, 131772, 154603, 171804, 208639, 272023, 309206, 417278, 463809, 544046, 618412, 625917, 816069, 834556, 927618, 1088092, 1131043, 1251834, 1632138, 1855236, 2262086, 2503668, 3264276, 3393129, 4524172, 6786258, 13572516, 21489817, 42979634, 64469451, 85959268, 128938902, 257877804]

約数ペア:

[(1, 257877804), (2, 128938902), (3, 85959268), (4, 64469451), (6, 42979634), (12, 21489817), (19, 13572516), (38, 6786258), (57, 4524172), (76, 3393129), (79, 3264276), (103, 2503668), (114, 2262086), (139, 1855236), (158, 1632138), (206, 1251834), (228, 1131043), (237, 1088092), (278, 927618), (309, 834556), (316, 816069), (412, 625917), (417, 618412), (474, 544046), (556, 463809), (618, 417278), (834, 309206), (948, 272023), (1236, 208639), (1501, 171804), (1668, 154603), (1957, 131772), (2641, 97644), (3002, 85902), (3914, 65886), (4503, 57268), (5282, 48822), (5871, 43924), (6004, 42951), (7828, 32943), (7923, 32548), (8137, 31692), (9006, 28634), (10564, 24411), (10981, 23484), (11742, 21962), (14317, 18012), (15846, 16274)]