1971292700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{4001}}^1$

素因数の和:4407

約数の個数: 72

約数和(自身を含む): 4620068880

約数和(自身を除く): 2648776180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 379, 650, 758, 1300, 1516, 1895, 3790, 4001, 4927, 7580, 8002, 9475, 9854, 16004, 18950, 19708, 20005, 24635, 37900, 40010, 49270, 52013, 80020, 98540, 100025, 104026, 123175, 200050, 208052, 246350, 260065, 400100, 492700, 520130, 1040260, 1300325, 1516379, 2600650, 3032758, 5201300, 6065516, 7581895, 15163790, 19712927, 30327580, 37909475, 39425854, 75818950, 78851708, 98564635, 151637900, 197129270, 394258540, 492823175, 985646350, 1971292700]

約数ペア:

[(1, 1971292700), (2, 985646350), (4, 492823175), (5, 394258540), (10, 197129270), (13, 151637900), (20, 98564635), (25, 78851708), (26, 75818950), (50, 39425854), (52, 37909475), (65, 30327580), (100, 19712927), (130, 15163790), (260, 7581895), (325, 6065516), (379, 5201300), (650, 3032758), (758, 2600650), (1300, 1516379), (1516, 1300325), (1895, 1040260), (3790, 520130), (4001, 492700), (4927, 400100), (7580, 260065), (8002, 246350), (9475, 208052), (9854, 200050), (16004, 123175), (18950, 104026), (19708, 100025), (20005, 98540), (24635, 80020), (37900, 52013), (40010, 49270)]