64944850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 128340000

約数和(自身を除く): 63395150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 137, 190, 274, 475, 499, 685, 950, 998, 1370, 2495, 2603, 3425, 4990, 5206, 6850, 9481, 12475, 13015, 18962, 24950, 26030, 47405, 65075, 68363, 94810, 130150, 136726, 237025, 341815, 474050, 683630, 1298897, 1709075, 2597794, 3418150, 6494485, 12988970, 32472425, 64944850]

約数ペア:

[(1, 64944850), (2, 32472425), (5, 12988970), (10, 6494485), (19, 3418150), (25, 2597794), (38, 1709075), (50, 1298897), (95, 683630), (137, 474050), (190, 341815), (274, 237025), (475, 136726), (499, 130150), (685, 94810), (950, 68363), (998, 65075), (1370, 47405), (2495, 26030), (2603, 24950), (3425, 18962), (4990, 13015), (5206, 12475), (6850, 9481)]