201519640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719713}}^1$

素因数の和:719731

約数の個数: 32

約数和(自身を含む): 518194080

約数和(自身を除く): 316674440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719713, 1439426, 2878852, 3598565, 5037991, 5757704, 7197130, 10075982, 14394260, 20151964, 25189955, 28788520, 40303928, 50379910, 100759820, 201519640]

約数ペア:

[(1, 201519640), (2, 100759820), (4, 50379910), (5, 40303928), (7, 28788520), (8, 25189955), (10, 20151964), (14, 14394260), (20, 10075982), (28, 7197130), (35, 5757704), (40, 5037991), (56, 3598565), (70, 2878852), (140, 1439426), (280, 719713)]