290130260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{8599}}^1$

素因数の和:8856

約数の個数: 48

約数和(自身を含む): 699283200

約数和(自身を除く): 409152940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2410, 3374, 4820, 6748, 8435, 8599, 16870, 17198, 33740, 34396, 42995, 60193, 85990, 120386, 171980, 240772, 300965, 601930, 1203860, 2072359, 4144718, 8289436, 10361795, 14506513, 20723590, 29013026, 41447180, 58026052, 72532565, 145065130, 290130260]

約数ペア:

[(1, 290130260), (2, 145065130), (4, 72532565), (5, 58026052), (7, 41447180), (10, 29013026), (14, 20723590), (20, 14506513), (28, 10361795), (35, 8289436), (70, 4144718), (140, 2072359), (241, 1203860), (482, 601930), (964, 300965), (1205, 240772), (1687, 171980), (2410, 120386), (3374, 85990), (4820, 60193), (6748, 42995), (8435, 34396), (8599, 33740), (16870, 17198)]