209213600

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2539}}^1$

素因数の和:2662

約数の個数: 72

約数和(自身を含む): 515904480

約数和(自身を除く): 306690880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 400, 412, 515, 800, 824, 1030, 1648, 2060, 2539, 2575, 3296, 4120, 5078, 5150, 8240, 10156, 10300, 12695, 16480, 20312, 20600, 25390, 40624, 41200, 50780, 63475, 81248, 82400, 101560, 126950, 203120, 253900, 261517, 406240, 507800, 523034, 1015600, 1046068, 1307585, 2031200, 2092136, 2615170, 4184272, 5230340, 6537925, 8368544, 10460680, 13075850, 20921360, 26151700, 41842720, 52303400, 104606800, 209213600]

約数ペア:

[(1, 209213600), (2, 104606800), (4, 52303400), (5, 41842720), (8, 26151700), (10, 20921360), (16, 13075850), (20, 10460680), (25, 8368544), (32, 6537925), (40, 5230340), (50, 4184272), (80, 2615170), (100, 2092136), (103, 2031200), (160, 1307585), (200, 1046068), (206, 1015600), (400, 523034), (412, 507800), (515, 406240), (800, 261517), (824, 253900), (1030, 203120), (1648, 126950), (2060, 101560), (2539, 82400), (2575, 81248), (3296, 63475), (4120, 50780), (5078, 41200), (5150, 40624), (8240, 25390), (10156, 20600), (10300, 20312), (12695, 16480)]