2166340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 5100480

約数和(自身を除く): 2934140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 229, 430, 458, 473, 860, 916, 946, 1145, 1892, 2290, 2365, 2519, 4580, 4730, 5038, 9460, 9847, 10076, 12595, 19694, 25190, 39388, 49235, 50380, 98470, 108317, 196940, 216634, 433268, 541585, 1083170, 2166340]

約数ペア:

[(1, 2166340), (2, 1083170), (4, 541585), (5, 433268), (10, 216634), (11, 196940), (20, 108317), (22, 98470), (43, 50380), (44, 49235), (55, 39388), (86, 25190), (110, 19694), (172, 12595), (215, 10076), (220, 9847), (229, 9460), (430, 5038), (458, 4730), (473, 4580), (860, 2519), (916, 2365), (946, 2290), (1145, 1892)]