172028990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 365316480

約数和(自身を除く): 193287490

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 89, 106, 178, 265, 371, 445, 521, 530, 623, 742, 890, 1042, 1246, 1855, 2605, 3115, 3647, 3710, 4717, 5210, 6230, 7294, 9434, 18235, 23585, 27613, 33019, 36470, 46369, 47170, 55226, 66038, 92738, 138065, 165095, 193291, 231845, 276130, 324583, 330190, 386582, 463690, 649166, 966455, 1622915, 1932910, 2457557, 3245830, 4915114, 12287785, 17202899, 24575570, 34405798, 86014495, 172028990]

約数ペア:

[(1, 172028990), (2, 86014495), (5, 34405798), (7, 24575570), (10, 17202899), (14, 12287785), (35, 4915114), (53, 3245830), (70, 2457557), (89, 1932910), (106, 1622915), (178, 966455), (265, 649166), (371, 463690), (445, 386582), (521, 330190), (530, 324583), (623, 276130), (742, 231845), (890, 193291), (1042, 165095), (1246, 138065), (1855, 92738), (2605, 66038), (3115, 55226), (3647, 47170), (3710, 46369), (4717, 36470), (5210, 33019), (6230, 27613), (7294, 23585), (9434, 18235)]