51219100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 116103680

約数和(自身を除く): 64884580

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 109, 127, 148, 185, 218, 254, 370, 436, 508, 545, 635, 740, 925, 1090, 1270, 1850, 2180, 2540, 2725, 3175, 3700, 4033, 4699, 5450, 6350, 8066, 9398, 10900, 12700, 13843, 16132, 18796, 20165, 23495, 27686, 40330, 46990, 55372, 69215, 80660, 93980, 100825, 117475, 138430, 201650, 234950, 276860, 346075, 403300, 469900, 512191, 692150, 1024382, 1384300, 2048764, 2560955, 5121910, 10243820, 12804775, 25609550, 51219100]

約数ペア:

[(1, 51219100), (2, 25609550), (4, 12804775), (5, 10243820), (10, 5121910), (20, 2560955), (25, 2048764), (37, 1384300), (50, 1024382), (74, 692150), (100, 512191), (109, 469900), (127, 403300), (148, 346075), (185, 276860), (218, 234950), (254, 201650), (370, 138430), (436, 117475), (508, 100825), (545, 93980), (635, 80660), (740, 69215), (925, 55372), (1090, 46990), (1270, 40330), (1850, 27686), (2180, 23495), (2540, 20165), (2725, 18796), (3175, 16132), (3700, 13843), (4033, 12700), (4699, 10900), (5450, 9398), (6350, 8066)]