199034840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{743}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 463095360

約数和(自身を除く): 264060520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 181, 185, 296, 362, 370, 724, 740, 743, 905, 1448, 1480, 1486, 1810, 2972, 3620, 3715, 5944, 6697, 7240, 7430, 13394, 14860, 26788, 27491, 29720, 33485, 53576, 54982, 66970, 109964, 133940, 134483, 137455, 219928, 267880, 268966, 274910, 537932, 549820, 672415, 1075864, 1099640, 1344830, 2689660, 4975871, 5379320, 9951742, 19903484, 24879355, 39806968, 49758710, 99517420, 199034840]

約数ペア:

[(1, 199034840), (2, 99517420), (4, 49758710), (5, 39806968), (8, 24879355), (10, 19903484), (20, 9951742), (37, 5379320), (40, 4975871), (74, 2689660), (148, 1344830), (181, 1099640), (185, 1075864), (296, 672415), (362, 549820), (370, 537932), (724, 274910), (740, 268966), (743, 267880), (905, 219928), (1448, 137455), (1480, 134483), (1486, 133940), (1810, 109964), (2972, 66970), (3620, 54982), (3715, 53576), (5944, 33485), (6697, 29720), (7240, 27491), (7430, 26788), (13394, 14860)]