7815380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 17118864

約数和(自身を除く): 9303484

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 101, 106, 146, 202, 212, 265, 292, 365, 404, 505, 530, 730, 1010, 1060, 1460, 2020, 3869, 5353, 7373, 7738, 10706, 14746, 15476, 19345, 21412, 26765, 29492, 36865, 38690, 53530, 73730, 77380, 107060, 147460, 390769, 781538, 1563076, 1953845, 3907690, 7815380]

約数ペア:

[(1, 7815380), (2, 3907690), (4, 1953845), (5, 1563076), (10, 781538), (20, 390769), (53, 147460), (73, 107060), (101, 77380), (106, 73730), (146, 53530), (202, 38690), (212, 36865), (265, 29492), (292, 26765), (365, 21412), (404, 19345), (505, 15476), (530, 14746), (730, 10706), (1010, 7738), (1060, 7373), (1460, 5353), (2020, 3869)]