404438980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{25183}}^1$

素因数の和:25276

約数の個数: 48

約数和(自身を含む): 939262464

約数和(自身を除く): 534823484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 25183, 50366, 100732, 125915, 251830, 277013, 503660, 554026, 1108052, 1385065, 1838359, 2770130, 3676718, 5540260, 7353436, 9191795, 18383590, 20221949, 36767180, 40443898, 80887796, 101109745, 202219490, 404438980]

約数ペア:

[(1, 404438980), (2, 202219490), (4, 101109745), (5, 80887796), (10, 40443898), (11, 36767180), (20, 20221949), (22, 18383590), (44, 9191795), (55, 7353436), (73, 5540260), (110, 3676718), (146, 2770130), (220, 1838359), (292, 1385065), (365, 1108052), (730, 554026), (803, 503660), (1460, 277013), (1606, 251830), (3212, 125915), (4015, 100732), (8030, 50366), (16060, 25183)]