221391310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{3449}}^1$

素因数の和:3601

約数の個数: 48

約数和(自身を含む): 467240400

約数和(自身を除く): 245849090

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 245, 262, 490, 655, 917, 1310, 1834, 3449, 4585, 6419, 6898, 9170, 12838, 17245, 24143, 32095, 34490, 48286, 64190, 120715, 169001, 241430, 338002, 451819, 845005, 903638, 1690010, 2259095, 3162733, 4518190, 6325466, 15813665, 22139131, 31627330, 44278262, 110695655, 221391310]

約数ペア:

[(1, 221391310), (2, 110695655), (5, 44278262), (7, 31627330), (10, 22139131), (14, 15813665), (35, 6325466), (49, 4518190), (70, 3162733), (98, 2259095), (131, 1690010), (245, 903638), (262, 845005), (490, 451819), (655, 338002), (917, 241430), (1310, 169001), (1834, 120715), (3449, 64190), (4585, 48286), (6419, 34490), (6898, 32095), (9170, 24143), (12838, 17245)]