2156474540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12583}}^1$

素因数の和:12663

約数の個数: 96

約数和(自身を含む): 5327562240

約数和(自身を除く): 3171087700

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 164, 190, 205, 209, 220, 380, 410, 418, 451, 779, 820, 836, 902, 1045, 1558, 1804, 2090, 2255, 3116, 3895, 4180, 4510, 7790, 8569, 9020, 12583, 15580, 17138, 25166, 34276, 42845, 50332, 62915, 85690, 125830, 138413, 171380, 239077, 251660, 276826, 478154, 515903, 553652, 692065, 956308, 1031806, 1195385, 1384130, 2063612, 2390770, 2579515, 2629847, 2768260, 4781540, 5159030, 5259694, 5674933, 9802157, 10318060, 10519388, 11349866, 13149235, 19604314, 22699732, 26298470, 28374665, 39208628, 49010785, 52596940, 56749330, 98021570, 107823727, 113498660, 196043140, 215647454, 431294908, 539118635, 1078237270, 2156474540]

約数ペア:

[(1, 2156474540), (2, 1078237270), (4, 539118635), (5, 431294908), (10, 215647454), (11, 196043140), (19, 113498660), (20, 107823727), (22, 98021570), (38, 56749330), (41, 52596940), (44, 49010785), (55, 39208628), (76, 28374665), (82, 26298470), (95, 22699732), (110, 19604314), (164, 13149235), (190, 11349866), (205, 10519388), (209, 10318060), (220, 9802157), (380, 5674933), (410, 5259694), (418, 5159030), (451, 4781540), (779, 2768260), (820, 2629847), (836, 2579515), (902, 2390770), (1045, 2063612), (1558, 1384130), (1804, 1195385), (2090, 1031806), (2255, 956308), (3116, 692065), (3895, 553652), (4180, 515903), (4510, 478154), (7790, 276826), (8569, 251660), (9020, 239077), (12583, 171380), (15580, 138413), (17138, 125830), (25166, 85690), (34276, 62915), (42845, 50332)]