164670625

素因数分解:

$5^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 60

約数和(自身を含む): 252856560

約数和(自身を除く): 88185935

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 125, 133, 175, 245, 283, 475, 625, 665, 875, 931, 1225, 1415, 1981, 2375, 3325, 4375, 4655, 5377, 6125, 7075, 9905, 11875, 13867, 16625, 23275, 26885, 30625, 35375, 37639, 49525, 69335, 83125, 116375, 134425, 176875, 188195, 247625, 263473, 346675, 581875, 672125, 940975, 1238125, 1317365, 1733375, 3360625, 4704875, 6586825, 8666875, 23524375, 32934125, 164670625]

約数ペア:

[(1, 164670625), (5, 32934125), (7, 23524375), (19, 8666875), (25, 6586825), (35, 4704875), (49, 3360625), (95, 1733375), (125, 1317365), (133, 1238125), (175, 940975), (245, 672125), (283, 581875), (475, 346675), (625, 263473), (665, 247625), (875, 188195), (931, 176875), (1225, 134425), (1415, 116375), (1981, 83125), (2375, 69335), (3325, 49525), (4375, 37639), (4655, 35375), (5377, 30625), (6125, 26885), (7075, 23275), (9905, 16625), (11875, 13867)]