252942820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{51203}}^1$

素因数の和:51244

約数の個数: 48

約数和(自身を含む): 602159040

約数和(自身を除く): 349216220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 51203, 102406, 204812, 256015, 512030, 665639, 972857, 1024060, 1331278, 1945714, 2662556, 3328195, 3891428, 4864285, 6656390, 9728570, 12647141, 13312780, 19457140, 25294282, 50588564, 63235705, 126471410, 252942820]

約数ペア:

[(1, 252942820), (2, 126471410), (4, 63235705), (5, 50588564), (10, 25294282), (13, 19457140), (19, 13312780), (20, 12647141), (26, 9728570), (38, 6656390), (52, 4864285), (65, 3891428), (76, 3328195), (95, 2662556), (130, 1945714), (190, 1331278), (247, 1024060), (260, 972857), (380, 665639), (494, 512030), (988, 256015), (1235, 204812), (2470, 102406), (4940, 51203)]