164046920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 382579200

約数和(自身を除く): 218532280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 235, 284, 355, 376, 470, 568, 710, 940, 1229, 1420, 1880, 2458, 2840, 3337, 4916, 6145, 6674, 9832, 12290, 13348, 16685, 24580, 26696, 33370, 49160, 57763, 66740, 87259, 115526, 133480, 174518, 231052, 288815, 349036, 436295, 462104, 577630, 698072, 872590, 1155260, 1745180, 2310520, 3490360, 4101173, 8202346, 16404692, 20505865, 32809384, 41011730, 82023460, 164046920]

約数ペア:

[(1, 164046920), (2, 82023460), (4, 41011730), (5, 32809384), (8, 20505865), (10, 16404692), (20, 8202346), (40, 4101173), (47, 3490360), (71, 2310520), (94, 1745180), (142, 1155260), (188, 872590), (235, 698072), (284, 577630), (355, 462104), (376, 436295), (470, 349036), (568, 288815), (710, 231052), (940, 174518), (1229, 133480), (1420, 115526), (1880, 87259), (2458, 66740), (2840, 57763), (3337, 49160), (4916, 33370), (6145, 26696), (6674, 24580), (9832, 16685), (12290, 13348)]