222080475

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 379975680

約数和(自身を除く): 157895205

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 191, 419, 555, 573, 925, 955, 1257, 2095, 2775, 2865, 4775, 6285, 7067, 10475, 14325, 15503, 21201, 31425, 35335, 46509, 77515, 80029, 106005, 176675, 232545, 240087, 387575, 400145, 530025, 1162725, 1200435, 2000725, 2961073, 6002175, 8883219, 14805365, 44416095, 74026825, 222080475]

約数ペア:

[(1, 222080475), (3, 74026825), (5, 44416095), (15, 14805365), (25, 8883219), (37, 6002175), (75, 2961073), (111, 2000725), (185, 1200435), (191, 1162725), (419, 530025), (555, 400145), (573, 387575), (925, 240087), (955, 232545), (1257, 176675), (2095, 106005), (2775, 80029), (2865, 77515), (4775, 46509), (6285, 35335), (7067, 31425), (10475, 21201), (14325, 15503)]