280912570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 544112640

約数和(自身を除く): 263200070

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 127, 163, 230, 254, 295, 326, 590, 635, 815, 1270, 1357, 1630, 2714, 2921, 3749, 5842, 6785, 7493, 7498, 9617, 13570, 14605, 14986, 18745, 19234, 20701, 29210, 37465, 37490, 41402, 48085, 74930, 96170, 103505, 172339, 207010, 221191, 344678, 442382, 476123, 861695, 952246, 1105955, 1221359, 1723390, 2211910, 2380615, 2442718, 4761230, 6106795, 12213590, 28091257, 56182514, 140456285, 280912570]

約数ペア:

[(1, 280912570), (2, 140456285), (5, 56182514), (10, 28091257), (23, 12213590), (46, 6106795), (59, 4761230), (115, 2442718), (118, 2380615), (127, 2211910), (163, 1723390), (230, 1221359), (254, 1105955), (295, 952246), (326, 861695), (590, 476123), (635, 442382), (815, 344678), (1270, 221191), (1357, 207010), (1630, 172339), (2714, 103505), (2921, 96170), (3749, 74930), (5842, 48085), (6785, 41402), (7493, 37490), (7498, 37465), (9617, 29210), (13570, 20701), (14605, 19234), (14986, 18745)]