78517790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 160574400

約数和(自身を除く): 82056610

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 59, 65, 118, 130, 145, 290, 295, 353, 377, 590, 706, 754, 767, 1534, 1711, 1765, 1885, 3422, 3530, 3770, 3835, 4589, 7670, 8555, 9178, 10237, 17110, 20474, 20827, 22243, 22945, 41654, 44486, 45890, 51185, 102370, 104135, 111215, 133081, 208270, 222430, 266162, 270751, 541502, 603983, 665405, 1207966, 1330810, 1353755, 2707510, 3019915, 6039830, 7851779, 15703558, 39258895, 78517790]

約数ペア:

[(1, 78517790), (2, 39258895), (5, 15703558), (10, 7851779), (13, 6039830), (26, 3019915), (29, 2707510), (58, 1353755), (59, 1330810), (65, 1207966), (118, 665405), (130, 603983), (145, 541502), (290, 270751), (295, 266162), (353, 222430), (377, 208270), (590, 133081), (706, 111215), (754, 104135), (767, 102370), (1534, 51185), (1711, 45890), (1765, 44486), (1885, 41654), (3422, 22945), (3530, 22243), (3770, 20827), (3835, 20474), (4589, 17110), (7670, 10237), (8555, 9178)]