28617650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 56544000

約数和(自身を除く): 27926350

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 74, 155, 185, 310, 370, 499, 775, 925, 998, 1147, 1550, 1850, 2294, 2495, 4990, 5735, 11470, 12475, 15469, 18463, 24950, 28675, 30938, 36926, 57350, 77345, 92315, 154690, 184630, 386725, 461575, 572353, 773450, 923150, 1144706, 2861765, 5723530, 14308825, 28617650]

約数ペア:

[(1, 28617650), (2, 14308825), (5, 5723530), (10, 2861765), (25, 1144706), (31, 923150), (37, 773450), (50, 572353), (62, 461575), (74, 386725), (155, 184630), (185, 154690), (310, 92315), (370, 77345), (499, 57350), (775, 36926), (925, 30938), (998, 28675), (1147, 24950), (1550, 18463), (1850, 15469), (2294, 12475), (2495, 11470), (4990, 5735)]