384148280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{309797}}^1$

素因数の和:309839

約数の個数: 32

約数和(自身を含む): 892218240

約数和(自身を除く): 508069960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 309797, 619594, 1239188, 1548985, 2478376, 3097970, 6195940, 9603707, 12391880, 19207414, 38414828, 48018535, 76829656, 96037070, 192074140, 384148280]

約数ペア:

[(1, 384148280), (2, 192074140), (4, 96037070), (5, 76829656), (8, 48018535), (10, 38414828), (20, 19207414), (31, 12391880), (40, 9603707), (62, 6195940), (124, 3097970), (155, 2478376), (248, 1548985), (310, 1239188), (620, 619594), (1240, 309797)]