1994100640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1780447}}^1$

素因数の和:1780469

約数の個数: 48

約数和(自身を含む): 5384074752

約数和(自身を除く): 3389974112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1780447, 3560894, 7121788, 8902235, 12463129, 14243576, 17804470, 24926258, 28487152, 35608940, 49852516, 56974304, 62315645, 71217880, 99705032, 124631290, 142435760, 199410064, 249262580, 284871520, 398820128, 498525160, 997050320, 1994100640]

約数ペア:

[(1, 1994100640), (2, 997050320), (4, 498525160), (5, 398820128), (7, 284871520), (8, 249262580), (10, 199410064), (14, 142435760), (16, 124631290), (20, 99705032), (28, 71217880), (32, 62315645), (35, 56974304), (40, 49852516), (56, 35608940), (70, 28487152), (80, 24926258), (112, 17804470), (140, 14243576), (160, 12463129), (224, 8902235), (280, 7121788), (560, 3560894), (1120, 1780447)]