328258840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 144

約数和(自身を含む): 931279680

約数和(自身を除く): 603020840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 169, 182, 196, 245, 260, 280, 338, 364, 392, 455, 490, 520, 637, 676, 728, 845, 910, 980, 991, 1183, 1274, 1352, 1690, 1820, 1960, 1982, 2366, 2548, 3185, 3380, 3640, 3964, 4732, 4955, 5096, 5915, 6370, 6760, 6937, 7928, 8281, 9464, 9910, 11830, 12740, 12883, 13874, 16562, 19820, 23660, 25480, 25766, 27748, 33124, 34685, 39640, 41405, 47320, 48559, 51532, 55496, 64415, 66248, 69370, 82810, 90181, 97118, 103064, 128830, 138740, 165620, 167479, 180362, 194236, 242795, 257660, 277480, 331240, 334958, 360724, 388472, 450905, 485590, 515320, 631267, 669916, 721448, 837395, 901810, 971180, 1172353, 1262534, 1339832, 1674790, 1803620, 1942360, 2344706, 2525068, 3156335, 3349580, 3607240, 4689412, 5050136, 5861765, 6312670, 6699160, 8206471, 9378824, 11723530, 12625340, 16412942, 23447060, 25250680, 32825884, 41032355, 46894120, 65651768, 82064710, 164129420, 328258840]

約数ペア:

[(1, 328258840), (2, 164129420), (4, 82064710), (5, 65651768), (7, 46894120), (8, 41032355), (10, 32825884), (13, 25250680), (14, 23447060), (20, 16412942), (26, 12625340), (28, 11723530), (35, 9378824), (40, 8206471), (49, 6699160), (52, 6312670), (56, 5861765), (65, 5050136), (70, 4689412), (91, 3607240), (98, 3349580), (104, 3156335), (130, 2525068), (140, 2344706), (169, 1942360), (182, 1803620), (196, 1674790), (245, 1339832), (260, 1262534), (280, 1172353), (338, 971180), (364, 901810), (392, 837395), (455, 721448), (490, 669916), (520, 631267), (637, 515320), (676, 485590), (728, 450905), (845, 388472), (910, 360724), (980, 334958), (991, 331240), (1183, 277480), (1274, 257660), (1352, 242795), (1690, 194236), (1820, 180362), (1960, 167479), (1982, 165620), (2366, 138740), (2548, 128830), (3185, 103064), (3380, 97118), (3640, 90181), (3964, 82810), (4732, 69370), (4955, 66248), (5096, 64415), (5915, 55496), (6370, 51532), (6760, 48559), (6937, 47320), (7928, 41405), (8281, 39640), (9464, 34685), (9910, 33124), (11830, 27748), (12740, 25766), (12883, 25480), (13874, 23660), (16562, 19820)]