394538992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 839678400

約数和(自身を除く): 445139408

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 197, 199, 272, 296, 394, 398, 592, 629, 788, 796, 1258, 1576, 1592, 2516, 3152, 3184, 3349, 3383, 5032, 6698, 6766, 7289, 7363, 10064, 13396, 13532, 14578, 14726, 26792, 27064, 29156, 29452, 39203, 53584, 54128, 58312, 58904, 78406, 116624, 117808, 123913, 125171, 156812, 247826, 250342, 313624, 495652, 500684, 627248, 666451, 991304, 1001368, 1332902, 1450511, 1982608, 2002736, 2665804, 2901022, 5331608, 5802044, 10663216, 11604088, 23208176, 24658687, 49317374, 98634748, 197269496, 394538992]

約数ペア:

[(1, 394538992), (2, 197269496), (4, 98634748), (8, 49317374), (16, 24658687), (17, 23208176), (34, 11604088), (37, 10663216), (68, 5802044), (74, 5331608), (136, 2901022), (148, 2665804), (197, 2002736), (199, 1982608), (272, 1450511), (296, 1332902), (394, 1001368), (398, 991304), (592, 666451), (629, 627248), (788, 500684), (796, 495652), (1258, 313624), (1576, 250342), (1592, 247826), (2516, 156812), (3152, 125171), (3184, 123913), (3349, 117808), (3383, 116624), (5032, 78406), (6698, 58904), (6766, 58312), (7289, 54128), (7363, 53584), (10064, 39203), (13396, 29452), (13532, 29156), (14578, 27064), (14726, 26792)]