127401820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70001}}^1$

素因数の和:70030

約数の個数: 48

約数和(自身を含む): 329289408

約数和(自身を除く): 201887588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70001, 140002, 280004, 350005, 490007, 700010, 910013, 980014, 1400020, 1820026, 1960028, 2450035, 3640052, 4550065, 4900070, 6370091, 9100130, 9800140, 12740182, 18200260, 25480364, 31850455, 63700910, 127401820]

約数ペア:

[(1, 127401820), (2, 63700910), (4, 31850455), (5, 25480364), (7, 18200260), (10, 12740182), (13, 9800140), (14, 9100130), (20, 6370091), (26, 4900070), (28, 4550065), (35, 3640052), (52, 2450035), (65, 1960028), (70, 1820026), (91, 1400020), (130, 980014), (140, 910013), (182, 700010), (260, 490007), (364, 350005), (455, 280004), (910, 140002), (1820, 70001)]