171653860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2561

約数の個数: 72

約数和(自身を含む): 425404224

約数和(自身を除く): 253750364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2467, 2485, 3479, 4934, 4970, 6958, 9868, 9940, 12335, 13916, 17269, 17395, 24670, 34538, 34790, 49340, 69076, 69580, 86345, 120883, 172690, 175157, 241766, 345380, 350314, 483532, 604415, 700628, 875785, 1208830, 1226099, 1751570, 2417660, 2452198, 3503140, 4904396, 6130495, 8582693, 12260990, 17165386, 24521980, 34330772, 42913465, 85826930, 171653860]

約数ペア:

[(1, 171653860), (2, 85826930), (4, 42913465), (5, 34330772), (7, 24521980), (10, 17165386), (14, 12260990), (20, 8582693), (28, 6130495), (35, 4904396), (49, 3503140), (70, 2452198), (71, 2417660), (98, 1751570), (140, 1226099), (142, 1208830), (196, 875785), (245, 700628), (284, 604415), (355, 483532), (490, 350314), (497, 345380), (710, 241766), (980, 175157), (994, 172690), (1420, 120883), (1988, 86345), (2467, 69580), (2485, 69076), (3479, 49340), (4934, 34790), (4970, 34538), (6958, 24670), (9868, 17395), (9940, 17269), (12335, 13916)]