78156100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 186425568

約数和(自身を除く): 108269468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 227, 275, 313, 454, 550, 626, 908, 1100, 1135, 1252, 1565, 2270, 2497, 3130, 3443, 4540, 4994, 5675, 6260, 6886, 7825, 9988, 11350, 12485, 13772, 15650, 17215, 22700, 24970, 31300, 34430, 49940, 62425, 68860, 71051, 86075, 124850, 142102, 172150, 249700, 284204, 344300, 355255, 710510, 781561, 1421020, 1563122, 1776275, 3126244, 3552550, 3907805, 7105100, 7815610, 15631220, 19539025, 39078050, 78156100]

約数ペア:

[(1, 78156100), (2, 39078050), (4, 19539025), (5, 15631220), (10, 7815610), (11, 7105100), (20, 3907805), (22, 3552550), (25, 3126244), (44, 1776275), (50, 1563122), (55, 1421020), (100, 781561), (110, 710510), (220, 355255), (227, 344300), (275, 284204), (313, 249700), (454, 172150), (550, 142102), (626, 124850), (908, 86075), (1100, 71051), (1135, 68860), (1252, 62425), (1565, 49940), (2270, 34430), (2497, 31300), (3130, 24970), (3443, 22700), (4540, 17215), (4994, 15650), (5675, 13772), (6260, 12485), (6886, 11350), (7825, 9988)]