22720810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 48201480

約数和(自身を除く): 25480670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 521, 623, 890, 1042, 1246, 2605, 3115, 3647, 4361, 5210, 6230, 7294, 8722, 18235, 21805, 25529, 36470, 43610, 46369, 51058, 92738, 127645, 231845, 255290, 324583, 463690, 649166, 1622915, 2272081, 3245830, 4544162, 11360405, 22720810]

約数ペア:

[(1, 22720810), (2, 11360405), (5, 4544162), (7, 3245830), (10, 2272081), (14, 1622915), (35, 649166), (49, 463690), (70, 324583), (89, 255290), (98, 231845), (178, 127645), (245, 92738), (445, 51058), (490, 46369), (521, 43610), (623, 36470), (890, 25529), (1042, 21805), (1246, 18235), (2605, 8722), (3115, 7294), (3647, 6230), (4361, 5210)]