1028305240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1\times {\mathrm{709}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 2346408000

約数和(自身を除く): 1318102760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 359, 404, 505, 709, 718, 808, 1010, 1418, 1436, 1795, 2020, 2836, 2872, 3545, 3590, 4040, 5672, 7090, 7180, 14180, 14360, 28360, 36259, 71609, 72518, 143218, 145036, 181295, 254531, 286436, 290072, 358045, 362590, 509062, 572872, 716090, 725180, 1018124, 1272655, 1432180, 1450360, 2036248, 2545310, 2864360, 5090620, 10181240, 25707631, 51415262, 102830524, 128538155, 205661048, 257076310, 514152620, 1028305240]

約数ペア:

[(1, 1028305240), (2, 514152620), (4, 257076310), (5, 205661048), (8, 128538155), (10, 102830524), (20, 51415262), (40, 25707631), (101, 10181240), (202, 5090620), (359, 2864360), (404, 2545310), (505, 2036248), (709, 1450360), (718, 1432180), (808, 1272655), (1010, 1018124), (1418, 725180), (1436, 716090), (1795, 572872), (2020, 509062), (2836, 362590), (2872, 358045), (3545, 290072), (3590, 286436), (4040, 254531), (5672, 181295), (7090, 145036), (7180, 143218), (14180, 72518), (14360, 71609), (28360, 36259)]