2720242580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{301579}}^1$

素因数の和:301640

約数の個数: 48

約数和(自身を含む): 6383845440

約数和(自身を除く): 3663602860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 301579, 603158, 1206316, 1507895, 3015790, 3317369, 6031580, 6634738, 12364739, 13269476, 16586845, 24729478, 33173690, 49458956, 61823695, 66347380, 123647390, 136012129, 247294780, 272024258, 544048516, 680060645, 1360121290, 2720242580]

約数ペア:

[(1, 2720242580), (2, 1360121290), (4, 680060645), (5, 544048516), (10, 272024258), (11, 247294780), (20, 136012129), (22, 123647390), (41, 66347380), (44, 61823695), (55, 49458956), (82, 33173690), (110, 24729478), (164, 16586845), (205, 13269476), (220, 12364739), (410, 6634738), (451, 6031580), (820, 3317369), (902, 3015790), (1804, 1507895), (2255, 1206316), (4510, 603158), (9020, 301579)]