256841568890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{233}}^1\times {\mathrm{305353}}^1$

素因数の和:305631

約数の個数: 48

約数和(自身を含む): 490023549288

約数和(自身を除く): 233181980398

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 233, 361, 466, 722, 1165, 1805, 2330, 3610, 4427, 8854, 22135, 44270, 84113, 168226, 305353, 420565, 610706, 841130, 1526765, 3053530, 5801707, 11603414, 29008535, 58017070, 71147249, 110232433, 142294498, 220464866, 355736245, 551162165, 711472490, 1102324330, 1351797731, 2703595462, 6758988655, 13517977310, 25684156889, 51368313778, 128420784445, 256841568890]

約数ペア:

[(1, 256841568890), (2, 128420784445), (5, 51368313778), (10, 25684156889), (19, 13517977310), (38, 6758988655), (95, 2703595462), (190, 1351797731), (233, 1102324330), (361, 711472490), (466, 551162165), (722, 355736245), (1165, 220464866), (1805, 142294498), (2330, 110232433), (3610, 71147249), (4427, 58017070), (8854, 29008535), (22135, 11603414), (44270, 5801707), (84113, 3053530), (168226, 1526765), (305353, 841130), (420565, 610706)]