70982840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 163814400

約数和(自身を除く): 92831560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 127, 157, 178, 254, 314, 356, 445, 508, 628, 635, 712, 785, 890, 1016, 1256, 1270, 1570, 1780, 2540, 3140, 3560, 5080, 6280, 11303, 13973, 19939, 22606, 27946, 39878, 45212, 55892, 56515, 69865, 79756, 90424, 99695, 111784, 113030, 139730, 159512, 199390, 226060, 279460, 398780, 452120, 558920, 797560, 1774571, 3549142, 7098284, 8872855, 14196568, 17745710, 35491420, 70982840]

約数ペア:

[(1, 70982840), (2, 35491420), (4, 17745710), (5, 14196568), (8, 8872855), (10, 7098284), (20, 3549142), (40, 1774571), (89, 797560), (127, 558920), (157, 452120), (178, 398780), (254, 279460), (314, 226060), (356, 199390), (445, 159512), (508, 139730), (628, 113030), (635, 111784), (712, 99695), (785, 90424), (890, 79756), (1016, 69865), (1256, 56515), (1270, 55892), (1570, 45212), (1780, 39878), (2540, 27946), (3140, 22606), (3560, 19939), (5080, 13973), (6280, 11303)]