2100077860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{41389}}^1$

素因数の和:41500

約数の個数: 48

約数和(自身を含む): 4589323200

約数和(自身を除く): 2489245340

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 2537, 5074, 10148, 12685, 25370, 41389, 50740, 82778, 165556, 206945, 413890, 827780, 1779727, 2441951, 3559454, 4883902, 7118908, 8898635, 9767804, 12209755, 17797270, 24419510, 35594540, 48839020, 105003893, 210007786, 420015572, 525019465, 1050038930, 2100077860]

約数ペア:

[(1, 2100077860), (2, 1050038930), (4, 525019465), (5, 420015572), (10, 210007786), (20, 105003893), (43, 48839020), (59, 35594540), (86, 24419510), (118, 17797270), (172, 12209755), (215, 9767804), (236, 8898635), (295, 7118908), (430, 4883902), (590, 3559454), (860, 2441951), (1180, 1779727), (2537, 827780), (5074, 413890), (10148, 206945), (12685, 165556), (25370, 82778), (41389, 50740)]