494315691280

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{18667511}}^1$

素因数の和:18667855

約数の個数: 40

約数和(自身を含む): 1152756201024

約数和(自身を除く): 658440509744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 13240, 26480, 18667511, 37335022, 74670044, 93337555, 149340088, 186675110, 298680176, 373350220, 746700440, 1493400880, 6178946141, 12357892282, 24715784564, 30894730705, 49431569128, 61789461410, 98863138256, 123578922820, 247157845640, 494315691280]

約数ペア:

[(1, 494315691280), (2, 247157845640), (4, 123578922820), (5, 98863138256), (8, 61789461410), (10, 49431569128), (16, 30894730705), (20, 24715784564), (40, 12357892282), (80, 6178946141), (331, 1493400880), (662, 746700440), (1324, 373350220), (1655, 298680176), (2648, 186675110), (3310, 149340088), (5296, 93337555), (6620, 74670044), (13240, 37335022), (26480, 18667511)]