196545680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 468184320

約数和(自身を除く): 271638640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 137, 158, 227, 274, 316, 395, 454, 548, 632, 685, 790, 908, 1096, 1135, 1264, 1370, 1580, 1816, 2192, 2270, 2740, 3160, 3632, 4540, 5480, 6320, 9080, 10823, 10960, 17933, 18160, 21646, 31099, 35866, 43292, 54115, 62198, 71732, 86584, 89665, 108230, 124396, 143464, 155495, 173168, 179330, 216460, 248792, 286928, 310990, 358660, 432920, 497584, 621980, 717320, 865840, 1243960, 1434640, 2456821, 2487920, 4913642, 9827284, 12284105, 19654568, 24568210, 39309136, 49136420, 98272840, 196545680]

約数ペア:

[(1, 196545680), (2, 98272840), (4, 49136420), (5, 39309136), (8, 24568210), (10, 19654568), (16, 12284105), (20, 9827284), (40, 4913642), (79, 2487920), (80, 2456821), (137, 1434640), (158, 1243960), (227, 865840), (274, 717320), (316, 621980), (395, 497584), (454, 432920), (548, 358660), (632, 310990), (685, 286928), (790, 248792), (908, 216460), (1096, 179330), (1135, 173168), (1264, 155495), (1370, 143464), (1580, 124396), (1816, 108230), (2192, 89665), (2270, 86584), (2740, 71732), (3160, 62198), (3632, 54115), (4540, 43292), (5480, 35866), (6320, 31099), (9080, 21646), (10823, 18160), (10960, 17933)]