657367940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{1559}}^1$

素因数の和:2324

約数の個数: 48

約数和(自身を含む): 1430956800

約数和(自身を除く): 773588860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 727, 1454, 1559, 2908, 3118, 3635, 6236, 7270, 7795, 14540, 15590, 21083, 31180, 42166, 45211, 84332, 90422, 105415, 180844, 210830, 226055, 421660, 452110, 904220, 1133393, 2266786, 4533572, 5666965, 11333930, 22667860, 32868397, 65736794, 131473588, 164341985, 328683970, 657367940]

約数ペア:

[(1, 657367940), (2, 328683970), (4, 164341985), (5, 131473588), (10, 65736794), (20, 32868397), (29, 22667860), (58, 11333930), (116, 5666965), (145, 4533572), (290, 2266786), (580, 1133393), (727, 904220), (1454, 452110), (1559, 421660), (2908, 226055), (3118, 210830), (3635, 180844), (6236, 105415), (7270, 90422), (7795, 84332), (14540, 45211), (15590, 42166), (21083, 31180)]