214988420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13799}}^1$

素因数の和:13868

約数の個数: 48

約数和(自身を含む): 486864000

約数和(自身を除く): 271875580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 13799, 15580, 27598, 55196, 68995, 137990, 262181, 275980, 524362, 565759, 1048724, 1131518, 1310905, 2263036, 2621810, 2828795, 5243620, 5657590, 10749421, 11315180, 21498842, 42997684, 53747105, 107494210, 214988420]

約数ペア:

[(1, 214988420), (2, 107494210), (4, 53747105), (5, 42997684), (10, 21498842), (19, 11315180), (20, 10749421), (38, 5657590), (41, 5243620), (76, 2828795), (82, 2621810), (95, 2263036), (164, 1310905), (190, 1131518), (205, 1048724), (380, 565759), (410, 524362), (779, 275980), (820, 262181), (1558, 137990), (3116, 68995), (3895, 55196), (7790, 27598), (13799, 15580)]