1954940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 4525248

約数和(自身を除く): 2570308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 103, 130, 146, 206, 260, 292, 365, 412, 515, 730, 949, 1030, 1339, 1460, 1898, 2060, 2678, 3796, 4745, 5356, 6695, 7519, 9490, 13390, 15038, 18980, 26780, 30076, 37595, 75190, 97747, 150380, 195494, 390988, 488735, 977470, 1954940]

約数ペア:

[(1, 1954940), (2, 977470), (4, 488735), (5, 390988), (10, 195494), (13, 150380), (20, 97747), (26, 75190), (52, 37595), (65, 30076), (73, 26780), (103, 18980), (130, 15038), (146, 13390), (206, 9490), (260, 7519), (292, 6695), (365, 5356), (412, 4745), (515, 3796), (730, 2678), (949, 2060), (1030, 1898), (1339, 1460)]