313408940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 778384992

約数和(自身を除く): 464976052

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 97, 130, 170, 172, 194, 215, 221, 260, 289, 340, 388, 430, 442, 485, 559, 578, 731, 860, 884, 970, 1105, 1118, 1156, 1261, 1445, 1462, 1649, 1940, 2210, 2236, 2522, 2795, 2890, 2924, 3298, 3655, 3757, 4171, 4420, 5044, 5590, 5780, 6305, 6596, 7310, 7514, 8245, 8342, 9503, 11180, 12427, 12610, 14620, 15028, 16490, 16684, 18785, 19006, 20855, 21437, 24854, 25220, 28033, 32980, 37570, 38012, 41710, 42874, 47515, 49708, 54223, 56066, 62135, 70907, 75140, 83420, 85748, 95030, 107185, 108446, 112132, 124270, 140165, 141814, 161551, 190060, 214370, 216892, 248540, 271115, 280330, 283628, 323102, 354535, 364429, 428740, 542230, 560660, 646204, 709070, 728858, 807755, 921791, 1084460, 1205419, 1418140, 1457716, 1615510, 1822145, 1843582, 2410838, 3231020, 3644290, 3687164, 4608955, 4821676, 6027095, 7288580, 9217910, 12054190, 15670447, 18435820, 24108380, 31340894, 62681788, 78352235, 156704470, 313408940]

約数ペア:

[(1, 313408940), (2, 156704470), (4, 78352235), (5, 62681788), (10, 31340894), (13, 24108380), (17, 18435820), (20, 15670447), (26, 12054190), (34, 9217910), (43, 7288580), (52, 6027095), (65, 4821676), (68, 4608955), (85, 3687164), (86, 3644290), (97, 3231020), (130, 2410838), (170, 1843582), (172, 1822145), (194, 1615510), (215, 1457716), (221, 1418140), (260, 1205419), (289, 1084460), (340, 921791), (388, 807755), (430, 728858), (442, 709070), (485, 646204), (559, 560660), (578, 542230), (731, 428740), (860, 364429), (884, 354535), (970, 323102), (1105, 283628), (1118, 280330), (1156, 271115), (1261, 248540), (1445, 216892), (1462, 214370), (1649, 190060), (1940, 161551), (2210, 141814), (2236, 140165), (2522, 124270), (2795, 112132), (2890, 108446), (2924, 107185), (3298, 95030), (3655, 85748), (3757, 83420), (4171, 75140), (4420, 70907), (5044, 62135), (5590, 56066), (5780, 54223), (6305, 49708), (6596, 47515), (7310, 42874), (7514, 41710), (8245, 38012), (8342, 37570), (9503, 32980), (11180, 28033), (12427, 25220), (12610, 24854), (14620, 21437), (15028, 20855), (16490, 19006), (16684, 18785)]