11952380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 27669600

約数和(自身を除く): 15717220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 449, 484, 605, 898, 1210, 1331, 1796, 2245, 2420, 2662, 4490, 4939, 5324, 6655, 8980, 9878, 13310, 19756, 24695, 26620, 49390, 54329, 98780, 108658, 217316, 271645, 543290, 597619, 1086580, 1195238, 2390476, 2988095, 5976190, 11952380]

約数ペア:

[(1, 11952380), (2, 5976190), (4, 2988095), (5, 2390476), (10, 1195238), (11, 1086580), (20, 597619), (22, 543290), (44, 271645), (55, 217316), (110, 108658), (121, 98780), (220, 54329), (242, 49390), (449, 26620), (484, 24695), (605, 19756), (898, 13310), (1210, 9878), (1331, 8980), (1796, 6655), (2245, 5324), (2420, 4939), (2662, 4490)]