205616290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 428820480

約数和(自身を除く): 223204190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 131, 190, 209, 262, 418, 655, 751, 1045, 1310, 1441, 1502, 2090, 2489, 2882, 3755, 4978, 7205, 7510, 8261, 12445, 14269, 14410, 16522, 24890, 27379, 28538, 41305, 54758, 71345, 82610, 98381, 136895, 142690, 156959, 196762, 273790, 313918, 491905, 784795, 983810, 1082191, 1569590, 1869239, 2164382, 3738478, 5410955, 9346195, 10821910, 18692390, 20561629, 41123258, 102808145, 205616290]

約数ペア:

[(1, 205616290), (2, 102808145), (5, 41123258), (10, 20561629), (11, 18692390), (19, 10821910), (22, 9346195), (38, 5410955), (55, 3738478), (95, 2164382), (110, 1869239), (131, 1569590), (190, 1082191), (209, 983810), (262, 784795), (418, 491905), (655, 313918), (751, 273790), (1045, 196762), (1310, 156959), (1441, 142690), (1502, 136895), (2090, 98381), (2489, 82610), (2882, 71345), (3755, 54758), (4978, 41305), (7205, 28538), (7510, 27379), (8261, 24890), (12445, 16522), (14269, 14410)]