394369990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{241}}^2$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 823054176

約数和(自身を除く): 428684186

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 241, 482, 485, 679, 970, 1205, 1358, 1687, 2410, 3374, 3395, 6790, 8435, 16870, 23377, 46754, 58081, 116162, 116885, 163639, 233770, 290405, 327278, 406567, 580810, 813134, 818195, 1636390, 2032835, 4065670, 5633857, 11267714, 28169285, 39436999, 56338570, 78873998, 197184995, 394369990]

約数ペア:

[(1, 394369990), (2, 197184995), (5, 78873998), (7, 56338570), (10, 39436999), (14, 28169285), (35, 11267714), (70, 5633857), (97, 4065670), (194, 2032835), (241, 1636390), (482, 818195), (485, 813134), (679, 580810), (970, 406567), (1205, 327278), (1358, 290405), (1687, 233770), (2410, 163639), (3374, 116885), (3395, 116162), (6790, 58081), (8435, 46754), (16870, 23377)]