12644500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^3\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 96

約数和(自身を含む): 31973760

約数和(自身を除く): 19329260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 121, 125, 190, 209, 220, 242, 250, 275, 380, 418, 475, 484, 500, 550, 605, 836, 950, 1045, 1100, 1210, 1331, 1375, 1900, 2090, 2299, 2375, 2420, 2662, 2750, 3025, 4180, 4598, 4750, 5225, 5324, 5500, 6050, 6655, 9196, 9500, 10450, 11495, 12100, 13310, 15125, 20900, 22990, 25289, 26125, 26620, 30250, 33275, 45980, 50578, 52250, 57475, 60500, 66550, 101156, 104500, 114950, 126445, 133100, 166375, 229900, 252890, 287375, 332750, 505780, 574750, 632225, 665500, 1149500, 1264450, 2528900, 3161125, 6322250, 12644500]

約数ペア:

[(1, 12644500), (2, 6322250), (4, 3161125), (5, 2528900), (10, 1264450), (11, 1149500), (19, 665500), (20, 632225), (22, 574750), (25, 505780), (38, 332750), (44, 287375), (50, 252890), (55, 229900), (76, 166375), (95, 133100), (100, 126445), (110, 114950), (121, 104500), (125, 101156), (190, 66550), (209, 60500), (220, 57475), (242, 52250), (250, 50578), (275, 45980), (380, 33275), (418, 30250), (475, 26620), (484, 26125), (500, 25289), (550, 22990), (605, 20900), (836, 15125), (950, 13310), (1045, 12100), (1100, 11495), (1210, 10450), (1331, 9500), (1375, 9196), (1900, 6655), (2090, 6050), (2299, 5500), (2375, 5324), (2420, 5225), (2662, 4750), (2750, 4598), (3025, 4180)]