28216100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 67683168

約数和(自身を除く): 39467068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 113, 220, 226, 227, 275, 452, 454, 550, 565, 908, 1100, 1130, 1135, 1243, 2260, 2270, 2486, 2497, 2825, 4540, 4972, 4994, 5650, 5675, 6215, 9988, 11300, 11350, 12430, 12485, 22700, 24860, 24970, 25651, 31075, 49940, 51302, 62150, 62425, 102604, 124300, 124850, 128255, 249700, 256510, 282161, 513020, 564322, 641275, 1128644, 1282550, 1410805, 2565100, 2821610, 5643220, 7054025, 14108050, 28216100]

約数ペア:

[(1, 28216100), (2, 14108050), (4, 7054025), (5, 5643220), (10, 2821610), (11, 2565100), (20, 1410805), (22, 1282550), (25, 1128644), (44, 641275), (50, 564322), (55, 513020), (100, 282161), (110, 256510), (113, 249700), (220, 128255), (226, 124850), (227, 124300), (275, 102604), (452, 62425), (454, 62150), (550, 51302), (565, 49940), (908, 31075), (1100, 25651), (1130, 24970), (1135, 24860), (1243, 22700), (2260, 12485), (2270, 12430), (2486, 11350), (2497, 11300), (2825, 9988), (4540, 6215), (4972, 5675), (4994, 5650)]