2099821480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{145417}}^1$

素因数の和:145466

約数の個数: 48

約数和(自身を含む): 4986383220

約数和(自身を除く): 2886561740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 145417, 290834, 581668, 727085, 1163336, 1454170, 2762923, 2908340, 5525846, 5816680, 11051692, 13814615, 22103384, 27629230, 52495537, 55258460, 104991074, 110516920, 209982148, 262477685, 419964296, 524955370, 1049910740, 2099821480]

約数ペア:

[(1, 2099821480), (2, 1049910740), (4, 524955370), (5, 419964296), (8, 262477685), (10, 209982148), (19, 110516920), (20, 104991074), (38, 55258460), (40, 52495537), (76, 27629230), (95, 22103384), (152, 13814615), (190, 11051692), (361, 5816680), (380, 5525846), (722, 2908340), (760, 2762923), (1444, 1454170), (1805, 1163336), (2888, 727085), (3610, 581668), (7220, 290834), (14440, 145417)]