205120330760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{309121}}^1$

素因数の和:309498

約数の個数: 64

約数和(自身を含む): 471732536880

約数和(自身を除く): 266612206120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 313, 424, 530, 626, 1060, 1252, 1565, 2120, 2504, 3130, 6260, 12520, 16589, 33178, 66356, 82945, 132712, 165890, 309121, 331780, 618242, 663560, 1236484, 1545605, 2472968, 3091210, 6182420, 12364840, 16383413, 32766826, 65533652, 81917065, 96754873, 131067304, 163834130, 193509746, 327668260, 387019492, 483774365, 655336520, 774038984, 967548730, 1935097460, 3870194920, 5128008269, 10256016538, 20512033076, 25640041345, 41024066152, 51280082690, 102560165380, 205120330760]

約数ペア:

[(1, 205120330760), (2, 102560165380), (4, 51280082690), (5, 41024066152), (8, 25640041345), (10, 20512033076), (20, 10256016538), (40, 5128008269), (53, 3870194920), (106, 1935097460), (212, 967548730), (265, 774038984), (313, 655336520), (424, 483774365), (530, 387019492), (626, 327668260), (1060, 193509746), (1252, 163834130), (1565, 131067304), (2120, 96754873), (2504, 81917065), (3130, 65533652), (6260, 32766826), (12520, 16383413), (16589, 12364840), (33178, 6182420), (66356, 3091210), (82945, 2472968), (132712, 1545605), (165890, 1236484), (309121, 663560), (331780, 618242)]