231757420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 502443648

約数和(自身を除く): 270686228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 274, 410, 548, 685, 820, 1370, 2063, 2740, 4126, 5617, 8252, 10315, 11234, 20630, 22468, 28085, 41260, 56170, 84583, 112340, 169166, 282631, 338332, 422915, 565262, 845830, 1130524, 1413155, 1691660, 2826310, 5652620, 11587871, 23175742, 46351484, 57939355, 115878710, 231757420]

約数ペア:

[(1, 231757420), (2, 115878710), (4, 57939355), (5, 46351484), (10, 23175742), (20, 11587871), (41, 5652620), (82, 2826310), (137, 1691660), (164, 1413155), (205, 1130524), (274, 845830), (410, 565262), (548, 422915), (685, 338332), (820, 282631), (1370, 169166), (2063, 112340), (2740, 84583), (4126, 56170), (5617, 41260), (8252, 28085), (10315, 22468), (11234, 20630)]