288565540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1181}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 639414720

約数和(自身を除く): 350849180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 643, 1181, 1286, 2362, 2572, 3215, 4724, 5905, 6430, 11810, 12217, 12860, 22439, 23620, 24434, 44878, 48868, 61085, 89756, 112195, 122170, 224390, 244340, 448780, 759383, 1518766, 3037532, 3796915, 7593830, 14428277, 15187660, 28856554, 57713108, 72141385, 144282770, 288565540]

約数ペア:

[(1, 288565540), (2, 144282770), (4, 72141385), (5, 57713108), (10, 28856554), (19, 15187660), (20, 14428277), (38, 7593830), (76, 3796915), (95, 3037532), (190, 1518766), (380, 759383), (643, 448780), (1181, 244340), (1286, 224390), (2362, 122170), (2572, 112195), (3215, 89756), (4724, 61085), (5905, 48868), (6430, 44878), (11810, 24434), (12217, 23620), (12860, 22439)]