3280550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 7718256

約数和(自身を除く): 4437706

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 103, 130, 175, 182, 206, 245, 325, 350, 455, 490, 515, 637, 650, 721, 910, 1030, 1225, 1274, 1339, 1442, 2275, 2450, 2575, 2678, 3185, 3605, 4550, 5047, 5150, 6370, 6695, 7210, 9373, 10094, 13390, 15925, 18025, 18746, 25235, 31850, 33475, 36050, 46865, 50470, 65611, 66950, 93730, 126175, 131222, 234325, 252350, 328055, 468650, 656110, 1640275, 3280550]

約数ペア:

[(1, 3280550), (2, 1640275), (5, 656110), (7, 468650), (10, 328055), (13, 252350), (14, 234325), (25, 131222), (26, 126175), (35, 93730), (49, 66950), (50, 65611), (65, 50470), (70, 46865), (91, 36050), (98, 33475), (103, 31850), (130, 25235), (175, 18746), (182, 18025), (206, 15925), (245, 13390), (325, 10094), (350, 9373), (455, 7210), (490, 6695), (515, 6370), (637, 5150), (650, 5047), (721, 4550), (910, 3605), (1030, 3185), (1225, 2678), (1274, 2575), (1339, 2450), (1442, 2275)]