194654320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1237}}^1$

素因数の和:1538

約数の個数: 80

約数和(自身を含む): 519484608

約数和(自身を除く): 324830288

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, 1237, 1405, 1967, 2248, 2474, 2810, 3934, 4496, 4948, 5620, 6185, 7868, 8659, 9835, 9896, 11240, 12370, 15736, 17318, 19670, 19792, 22480, 24740, 31472, 34636, 39340, 43295, 49480, 69272, 78680, 86590, 98960, 138544, 157360, 173180, 346360, 347597, 692720, 695194, 1390388, 1737985, 2433179, 2780776, 3475970, 4866358, 5561552, 6951940, 9732716, 12165895, 13903880, 19465432, 24331790, 27807760, 38930864, 48663580, 97327160, 194654320]

約数ペア:

[(1, 194654320), (2, 97327160), (4, 48663580), (5, 38930864), (7, 27807760), (8, 24331790), (10, 19465432), (14, 13903880), (16, 12165895), (20, 9732716), (28, 6951940), (35, 5561552), (40, 4866358), (56, 3475970), (70, 2780776), (80, 2433179), (112, 1737985), (140, 1390388), (280, 695194), (281, 692720), (560, 347597), (562, 346360), (1124, 173180), (1237, 157360), (1405, 138544), (1967, 98960), (2248, 86590), (2474, 78680), (2810, 69272), (3934, 49480), (4496, 43295), (4948, 39340), (5620, 34636), (6185, 31472), (7868, 24740), (8659, 22480), (9835, 19792), (9896, 19670), (11240, 17318), (12370, 15736)]