29391100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 69440000

約数和(自身を除く): 40048900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 499, 589, 620, 775, 950, 998, 1178, 1550, 1900, 1996, 2356, 2495, 2945, 3100, 4990, 5890, 9481, 9980, 11780, 12475, 14725, 15469, 18962, 24950, 29450, 30938, 37924, 47405, 49900, 58900, 61876, 77345, 94810, 154690, 189620, 237025, 293911, 309380, 386725, 474050, 587822, 773450, 948100, 1175644, 1469555, 1546900, 2939110, 5878220, 7347775, 14695550, 29391100]

約数ペア:

[(1, 29391100), (2, 14695550), (4, 7347775), (5, 5878220), (10, 2939110), (19, 1546900), (20, 1469555), (25, 1175644), (31, 948100), (38, 773450), (50, 587822), (62, 474050), (76, 386725), (95, 309380), (100, 293911), (124, 237025), (155, 189620), (190, 154690), (310, 94810), (380, 77345), (475, 61876), (499, 58900), (589, 49900), (620, 47405), (775, 37924), (950, 30938), (998, 29450), (1178, 24950), (1550, 18962), (1900, 15469), (1996, 14725), (2356, 12475), (2495, 11780), (2945, 9980), (3100, 9481), (4990, 5890)]