205872310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1909

約数の個数: 64

約数和(自身を含む): 448395264

約数和(自身を除く): 242522954

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 71, 115, 142, 161, 230, 322, 355, 497, 710, 805, 994, 1610, 1633, 1801, 2485, 3266, 3602, 4970, 8165, 9005, 11431, 12607, 16330, 18010, 22862, 25214, 41423, 57155, 63035, 82846, 114310, 126070, 127871, 207115, 255742, 289961, 414230, 579922, 639355, 895097, 1278710, 1449805, 1790194, 2899610, 2941033, 4475485, 5882066, 8950970, 14705165, 20587231, 29410330, 41174462, 102936155, 205872310]

約数ペア:

[(1, 205872310), (2, 102936155), (5, 41174462), (7, 29410330), (10, 20587231), (14, 14705165), (23, 8950970), (35, 5882066), (46, 4475485), (70, 2941033), (71, 2899610), (115, 1790194), (142, 1449805), (161, 1278710), (230, 895097), (322, 639355), (355, 579922), (497, 414230), (710, 289961), (805, 255742), (994, 207115), (1610, 127871), (1633, 126070), (1801, 114310), (2485, 82846), (3266, 63035), (3602, 57155), (4970, 41423), (8165, 25214), (9005, 22862), (11431, 18010), (12607, 16330)]