42502420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 91728000

約数和(自身を除く): 49225580

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 181, 199, 236, 295, 362, 398, 590, 724, 796, 905, 995, 1180, 1810, 1990, 3620, 3980, 10679, 11741, 21358, 23482, 36019, 42716, 46964, 53395, 58705, 72038, 106790, 117410, 144076, 180095, 213580, 234820, 360190, 720380, 2125121, 4250242, 8500484, 10625605, 21251210, 42502420]

約数ペア:

[(1, 42502420), (2, 21251210), (4, 10625605), (5, 8500484), (10, 4250242), (20, 2125121), (59, 720380), (118, 360190), (181, 234820), (199, 213580), (236, 180095), (295, 144076), (362, 117410), (398, 106790), (590, 72038), (724, 58705), (796, 53395), (905, 46964), (995, 42716), (1180, 36019), (1810, 23482), (1990, 21358), (3620, 11741), (3980, 10679)]