69910180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 151293744

約数和(自身を除く): 81383564

約数列:

[1, 2, 4, 5, 10, 20, 53, 101, 106, 202, 212, 265, 404, 505, 530, 653, 1010, 1060, 1306, 2020, 2612, 3265, 5353, 6530, 10706, 13060, 21412, 26765, 34609, 53530, 65953, 69218, 107060, 131906, 138436, 173045, 263812, 329765, 346090, 659530, 692180, 1319060, 3495509, 6991018, 13982036, 17477545, 34955090, 69910180]

約数ペア:

[(1, 69910180), (2, 34955090), (4, 17477545), (5, 13982036), (10, 6991018), (20, 3495509), (53, 1319060), (101, 692180), (106, 659530), (202, 346090), (212, 329765), (265, 263812), (404, 173045), (505, 138436), (530, 131906), (653, 107060), (1010, 69218), (1060, 65953), (1306, 53530), (2020, 34609), (2612, 26765), (3265, 21412), (5353, 13060), (6530, 10706)]