289326380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{3557}}^1$

素因数の和:3663

約数の個数: 72

約数和(自身を含む): 715499568

約数和(自身を除く): 426173188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2324, 2905, 3557, 4067, 5810, 7114, 8134, 11620, 14228, 16268, 17785, 20335, 24899, 35570, 40670, 49798, 71140, 81340, 99596, 124495, 174293, 248990, 295231, 348586, 497980, 590462, 697172, 871465, 1180924, 1476155, 1742930, 2066617, 2952310, 3485860, 4133234, 5904620, 8266468, 10333085, 14466319, 20666170, 28932638, 41332340, 57865276, 72331595, 144663190, 289326380]

約数ペア:

[(1, 289326380), (2, 144663190), (4, 72331595), (5, 57865276), (7, 41332340), (10, 28932638), (14, 20666170), (20, 14466319), (28, 10333085), (35, 8266468), (49, 5904620), (70, 4133234), (83, 3485860), (98, 2952310), (140, 2066617), (166, 1742930), (196, 1476155), (245, 1180924), (332, 871465), (415, 697172), (490, 590462), (581, 497980), (830, 348586), (980, 295231), (1162, 248990), (1660, 174293), (2324, 124495), (2905, 99596), (3557, 81340), (4067, 71140), (5810, 49798), (7114, 40670), (8134, 35570), (11620, 24899), (14228, 20335), (16268, 17785)]