291265280

素因数分解:

$2^8\times 5^1\times {\mathrm{313}}^1\times {\mathrm{727}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 700863072

約数和(自身を除く): 409597792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 313, 320, 626, 640, 727, 1252, 1280, 1454, 1565, 2504, 2908, 3130, 3635, 5008, 5816, 6260, 7270, 10016, 11632, 12520, 14540, 20032, 23264, 25040, 29080, 40064, 46528, 50080, 58160, 80128, 93056, 100160, 116320, 186112, 200320, 227551, 232640, 400640, 455102, 465280, 910204, 930560, 1137755, 1820408, 2275510, 3640816, 4551020, 7281632, 9102040, 14563264, 18204080, 29126528, 36408160, 58253056, 72816320, 145632640, 291265280]

約数ペア:

[(1, 291265280), (2, 145632640), (4, 72816320), (5, 58253056), (8, 36408160), (10, 29126528), (16, 18204080), (20, 14563264), (32, 9102040), (40, 7281632), (64, 4551020), (80, 3640816), (128, 2275510), (160, 1820408), (256, 1137755), (313, 930560), (320, 910204), (626, 465280), (640, 455102), (727, 400640), (1252, 232640), (1280, 227551), (1454, 200320), (1565, 186112), (2504, 116320), (2908, 100160), (3130, 93056), (3635, 80128), (5008, 58160), (5816, 50080), (6260, 46528), (7270, 40064), (10016, 29080), (11632, 25040), (12520, 23264), (14540, 20032)]