201263440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1279}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 537108480

約数和(自身を除く): 335845040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1279, 1405, 1967, 2248, 2558, 2810, 3934, 4496, 5116, 5620, 6395, 7868, 8953, 9835, 10232, 11240, 12790, 15736, 17906, 19670, 20464, 22480, 25580, 31472, 35812, 39340, 44765, 51160, 71624, 78680, 89530, 102320, 143248, 157360, 179060, 358120, 359399, 716240, 718798, 1437596, 1796995, 2515793, 2875192, 3593990, 5031586, 5750384, 7187980, 10063172, 12578965, 14375960, 20126344, 25157930, 28751920, 40252688, 50315860, 100631720, 201263440]

約数ペア:

[(1, 201263440), (2, 100631720), (4, 50315860), (5, 40252688), (7, 28751920), (8, 25157930), (10, 20126344), (14, 14375960), (16, 12578965), (20, 10063172), (28, 7187980), (35, 5750384), (40, 5031586), (56, 3593990), (70, 2875192), (80, 2515793), (112, 1796995), (140, 1437596), (280, 718798), (281, 716240), (560, 359399), (562, 358120), (1124, 179060), (1279, 157360), (1405, 143248), (1967, 102320), (2248, 89530), (2558, 78680), (2810, 71624), (3934, 51160), (4496, 44765), (5116, 39340), (5620, 35812), (6395, 31472), (7868, 25580), (8953, 22480), (9835, 20464), (10232, 19670), (11240, 17906), (12790, 15736)]