206368260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{491353}}^1$

素因数の和:491372

約数の個数: 48

約数和(自身を含む): 660379776

約数和(自身を除く): 454011516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 491353, 982706, 1474059, 1965412, 2456765, 2948118, 3439471, 4913530, 5896236, 6878942, 7370295, 9827060, 10318413, 13757884, 14740590, 17197355, 20636826, 29481180, 34394710, 41273652, 51592065, 68789420, 103184130, 206368260]

約数ペア:

[(1, 206368260), (2, 103184130), (3, 68789420), (4, 51592065), (5, 41273652), (6, 34394710), (7, 29481180), (10, 20636826), (12, 17197355), (14, 14740590), (15, 13757884), (20, 10318413), (21, 9827060), (28, 7370295), (30, 6878942), (35, 5896236), (42, 4913530), (60, 3439471), (70, 2948118), (84, 2456765), (105, 1965412), (140, 1474059), (210, 982706), (420, 491353)]