72851900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 174405504

約数和(自身を除く): 101553604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 103, 110, 206, 220, 275, 412, 515, 550, 643, 1030, 1100, 1133, 1286, 2060, 2266, 2572, 2575, 3215, 4532, 5150, 5665, 6430, 7073, 10300, 11330, 12860, 14146, 16075, 22660, 28292, 28325, 32150, 35365, 56650, 64300, 66229, 70730, 113300, 132458, 141460, 176825, 264916, 331145, 353650, 662290, 707300, 728519, 1324580, 1457038, 1655725, 2914076, 3311450, 3642595, 6622900, 7285190, 14570380, 18212975, 36425950, 72851900]

約数ペア:

[(1, 72851900), (2, 36425950), (4, 18212975), (5, 14570380), (10, 7285190), (11, 6622900), (20, 3642595), (22, 3311450), (25, 2914076), (44, 1655725), (50, 1457038), (55, 1324580), (100, 728519), (103, 707300), (110, 662290), (206, 353650), (220, 331145), (275, 264916), (412, 176825), (515, 141460), (550, 132458), (643, 113300), (1030, 70730), (1100, 66229), (1133, 64300), (1286, 56650), (2060, 35365), (2266, 32150), (2572, 28325), (2575, 28292), (3215, 22660), (4532, 16075), (5150, 14146), (5665, 12860), (6430, 11330), (7073, 10300)]