2638100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 6332928

約数和(自身を除く): 3694828

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 37, 46, 50, 62, 74, 92, 100, 115, 124, 148, 155, 185, 230, 310, 370, 460, 575, 620, 713, 740, 775, 851, 925, 1147, 1150, 1426, 1550, 1702, 1850, 2294, 2300, 2852, 3100, 3404, 3565, 3700, 4255, 4588, 5735, 7130, 8510, 11470, 14260, 17020, 17825, 21275, 22940, 26381, 28675, 35650, 42550, 52762, 57350, 71300, 85100, 105524, 114700, 131905, 263810, 527620, 659525, 1319050, 2638100]

約数ペア:

[(1, 2638100), (2, 1319050), (4, 659525), (5, 527620), (10, 263810), (20, 131905), (23, 114700), (25, 105524), (31, 85100), (37, 71300), (46, 57350), (50, 52762), (62, 42550), (74, 35650), (92, 28675), (100, 26381), (115, 22940), (124, 21275), (148, 17825), (155, 17020), (185, 14260), (230, 11470), (310, 8510), (370, 7130), (460, 5735), (575, 4588), (620, 4255), (713, 3700), (740, 3565), (775, 3404), (851, 3100), (925, 2852), (1147, 2300), (1150, 2294), (1426, 1850), (1550, 1702)]