209833910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7723}}^1$

素因数の和:7773

約数の個数: 64

約数和(自身を含む): 467147520

約数和(自身を除く): 257313610

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 2090, 2470, 2717, 5434, 7723, 13585, 15446, 27170, 38615, 77230, 84953, 100399, 146737, 169906, 200798, 293474, 424765, 501995, 733685, 849530, 1003990, 1104389, 1467370, 1614107, 1907581, 2208778, 3228214, 3815162, 5521945, 8070535, 9537905, 11043890, 16141070, 19075810, 20983391, 41966782, 104916955, 209833910]

約数ペア:

[(1, 209833910), (2, 104916955), (5, 41966782), (10, 20983391), (11, 19075810), (13, 16141070), (19, 11043890), (22, 9537905), (26, 8070535), (38, 5521945), (55, 3815162), (65, 3228214), (95, 2208778), (110, 1907581), (130, 1614107), (143, 1467370), (190, 1104389), (209, 1003990), (247, 849530), (286, 733685), (418, 501995), (494, 424765), (715, 293474), (1045, 200798), (1235, 169906), (1430, 146737), (2090, 100399), (2470, 84953), (2717, 77230), (5434, 38615), (7723, 27170), (13585, 15446)]