320374780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{2861}}^1$

素因数の和:3390

約数の個数: 48

約数和(自身を含む): 735648480

約数和(自身を除く): 415273700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 509, 1018, 2036, 2545, 2861, 5090, 5599, 5722, 10180, 11198, 11444, 14305, 22396, 27995, 28610, 31471, 55990, 57220, 62942, 111980, 125884, 157355, 314710, 629420, 1456249, 2912498, 5824996, 7281245, 14562490, 16018739, 29124980, 32037478, 64074956, 80093695, 160187390, 320374780]

約数ペア:

[(1, 320374780), (2, 160187390), (4, 80093695), (5, 64074956), (10, 32037478), (11, 29124980), (20, 16018739), (22, 14562490), (44, 7281245), (55, 5824996), (110, 2912498), (220, 1456249), (509, 629420), (1018, 314710), (2036, 157355), (2545, 125884), (2861, 111980), (5090, 62942), (5599, 57220), (5722, 55990), (10180, 31471), (11198, 28610), (11444, 27995), (14305, 22396)]