7274860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 15936480

約数和(自身を除く): 8661620

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 89, 122, 134, 178, 244, 268, 305, 335, 356, 445, 610, 670, 890, 1220, 1340, 1780, 4087, 5429, 5963, 8174, 10858, 11926, 16348, 20435, 21716, 23852, 27145, 29815, 40870, 54290, 59630, 81740, 108580, 119260, 363743, 727486, 1454972, 1818715, 3637430, 7274860]

約数ペア:

[(1, 7274860), (2, 3637430), (4, 1818715), (5, 1454972), (10, 727486), (20, 363743), (61, 119260), (67, 108580), (89, 81740), (122, 59630), (134, 54290), (178, 40870), (244, 29815), (268, 27145), (305, 23852), (335, 21716), (356, 20435), (445, 16348), (610, 11926), (670, 10858), (890, 8174), (1220, 5963), (1340, 5429), (1780, 4087)]