398554290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2865

約数の個数: 128

約数和(自身を含む): 1162045440

約数和(自身を除く): 763491150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 31, 34, 45, 51, 54, 62, 85, 90, 93, 102, 135, 153, 155, 170, 186, 255, 270, 279, 306, 310, 459, 465, 510, 527, 558, 765, 837, 918, 930, 1054, 1395, 1530, 1581, 1674, 2295, 2635, 2790, 2801, 3162, 4185, 4590, 4743, 5270, 5602, 7905, 8370, 8403, 9486, 14005, 14229, 15810, 16806, 23715, 25209, 28010, 28458, 42015, 47430, 47617, 50418, 71145, 75627, 84030, 86831, 95234, 126045, 142290, 142851, 151254, 173662, 238085, 252090, 260493, 285702, 378135, 428553, 434155, 476170, 520986, 714255, 756270, 781479, 857106, 868310, 1285659, 1302465, 1428510, 1476127, 1562958, 2142765, 2344437, 2571318, 2604930, 2952254, 3907395, 4285530, 4428381, 4688874, 6428295, 7380635, 7814790, 8856762, 11722185, 12856590, 13285143, 14761270, 22141905, 23444370, 26570286, 39855429, 44283810, 66425715, 79710858, 132851430, 199277145, 398554290]

約数ペア:

[(1, 398554290), (2, 199277145), (3, 132851430), (5, 79710858), (6, 66425715), (9, 44283810), (10, 39855429), (15, 26570286), (17, 23444370), (18, 22141905), (27, 14761270), (30, 13285143), (31, 12856590), (34, 11722185), (45, 8856762), (51, 7814790), (54, 7380635), (62, 6428295), (85, 4688874), (90, 4428381), (93, 4285530), (102, 3907395), (135, 2952254), (153, 2604930), (155, 2571318), (170, 2344437), (186, 2142765), (255, 1562958), (270, 1476127), (279, 1428510), (306, 1302465), (310, 1285659), (459, 868310), (465, 857106), (510, 781479), (527, 756270), (558, 714255), (765, 520986), (837, 476170), (918, 434155), (930, 428553), (1054, 378135), (1395, 285702), (1530, 260493), (1581, 252090), (1674, 238085), (2295, 173662), (2635, 151254), (2790, 142851), (2801, 142290), (3162, 126045), (4185, 95234), (4590, 86831), (4743, 84030), (5270, 75627), (5602, 71145), (7905, 50418), (8370, 47617), (8403, 47430), (9486, 42015), (14005, 28458), (14229, 28010), (15810, 25209), (16806, 23715)]