138938240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31013}}^1$

素因数の和:31039

約数の個数: 64

約数和(自身を含む): 379611360

約数和(自身を除く): 240673120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 31013, 62026, 124052, 155065, 217091, 248104, 310130, 434182, 496208, 620260, 868364, 992416, 1085455, 1240520, 1736728, 1984832, 2170910, 2481040, 3473456, 3969664, 4341820, 4962080, 6946912, 8683640, 9924160, 13893824, 17367280, 19848320, 27787648, 34734560, 69469120, 138938240]

約数ペア:

[(1, 138938240), (2, 69469120), (4, 34734560), (5, 27787648), (7, 19848320), (8, 17367280), (10, 13893824), (14, 9924160), (16, 8683640), (20, 6946912), (28, 4962080), (32, 4341820), (35, 3969664), (40, 3473456), (56, 2481040), (64, 2170910), (70, 1984832), (80, 1736728), (112, 1240520), (128, 1085455), (140, 992416), (160, 868364), (224, 620260), (280, 496208), (320, 434182), (448, 310130), (560, 248104), (640, 217091), (896, 155065), (1120, 124052), (2240, 62026), (4480, 31013)]