1904720272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{31907}}^1$

素因数の和:31976

約数の個数: 80

約数和(自身を含む): 4652952192

約数和(自身を除く): 2748231920

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 533, 574, 656, 728, 1066, 1148, 1456, 2132, 2296, 3731, 4264, 4592, 7462, 8528, 14924, 29848, 31907, 59696, 63814, 127628, 223349, 255256, 414791, 446698, 510512, 829582, 893396, 1308187, 1659164, 1786792, 2616374, 2903537, 3318328, 3573584, 5232748, 5807074, 6636656, 9157309, 10465496, 11614148, 17006431, 18314618, 20930992, 23228296, 34012862, 36629236, 46456592, 68025724, 73258472, 119045017, 136051448, 146516944, 238090034, 272102896, 476180068, 952360136, 1904720272]

約数ペア:

[(1, 1904720272), (2, 952360136), (4, 476180068), (7, 272102896), (8, 238090034), (13, 146516944), (14, 136051448), (16, 119045017), (26, 73258472), (28, 68025724), (41, 46456592), (52, 36629236), (56, 34012862), (82, 23228296), (91, 20930992), (104, 18314618), (112, 17006431), (164, 11614148), (182, 10465496), (208, 9157309), (287, 6636656), (328, 5807074), (364, 5232748), (533, 3573584), (574, 3318328), (656, 2903537), (728, 2616374), (1066, 1786792), (1148, 1659164), (1456, 1308187), (2132, 893396), (2296, 829582), (3731, 510512), (4264, 446698), (4592, 414791), (7462, 255256), (8528, 223349), (14924, 127628), (29848, 63814), (31907, 59696)]