905788520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1928

約数の個数: 192

約数和(自身を含む): 2688940800

約数和(自身を除く): 1783152280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 70, 76, 91, 95, 98, 104, 130, 133, 140, 152, 182, 190, 196, 245, 247, 260, 266, 280, 364, 380, 392, 455, 490, 494, 520, 532, 637, 665, 728, 760, 910, 931, 980, 988, 1064, 1235, 1274, 1330, 1729, 1820, 1862, 1871, 1960, 1976, 2470, 2548, 2660, 3185, 3458, 3640, 3724, 3742, 4655, 4940, 5096, 5320, 6370, 6916, 7448, 7484, 8645, 9310, 9355, 9880, 12103, 12740, 13097, 13832, 14968, 17290, 18620, 18710, 24206, 24323, 25480, 26194, 34580, 35549, 37240, 37420, 48412, 48646, 52388, 60515, 65485, 69160, 71098, 74840, 91679, 96824, 97292, 104776, 121030, 121615, 130970, 142196, 170261, 177745, 183358, 194584, 242060, 243230, 248843, 261940, 284392, 340522, 355490, 366716, 458395, 462137, 484120, 486460, 497686, 523880, 681044, 710980, 733432, 851305, 916790, 924274, 972920, 995372, 1191827, 1244215, 1362088, 1421960, 1702610, 1741901, 1833580, 1848548, 1990744, 2310685, 2383654, 2488430, 3234959, 3405220, 3483802, 3667160, 3697096, 4621370, 4767308, 4976860, 5959135, 6469918, 6810440, 6967604, 8709505, 9242740, 9534616, 9953720, 11918270, 12939836, 13935208, 16174795, 17419010, 18485480, 22644713, 23836540, 25879672, 32349590, 34838020, 45289426, 47673080, 64699180, 69676040, 90578852, 113223565, 129398360, 181157704, 226447130, 452894260, 905788520]

約数ペア:

[(1, 905788520), (2, 452894260), (4, 226447130), (5, 181157704), (7, 129398360), (8, 113223565), (10, 90578852), (13, 69676040), (14, 64699180), (19, 47673080), (20, 45289426), (26, 34838020), (28, 32349590), (35, 25879672), (38, 23836540), (40, 22644713), (49, 18485480), (52, 17419010), (56, 16174795), (65, 13935208), (70, 12939836), (76, 11918270), (91, 9953720), (95, 9534616), (98, 9242740), (104, 8709505), (130, 6967604), (133, 6810440), (140, 6469918), (152, 5959135), (182, 4976860), (190, 4767308), (196, 4621370), (245, 3697096), (247, 3667160), (260, 3483802), (266, 3405220), (280, 3234959), (364, 2488430), (380, 2383654), (392, 2310685), (455, 1990744), (490, 1848548), (494, 1833580), (520, 1741901), (532, 1702610), (637, 1421960), (665, 1362088), (728, 1244215), (760, 1191827), (910, 995372), (931, 972920), (980, 924274), (988, 916790), (1064, 851305), (1235, 733432), (1274, 710980), (1330, 681044), (1729, 523880), (1820, 497686), (1862, 486460), (1871, 484120), (1960, 462137), (1976, 458395), (2470, 366716), (2548, 355490), (2660, 340522), (3185, 284392), (3458, 261940), (3640, 248843), (3724, 243230), (3742, 242060), (4655, 194584), (4940, 183358), (5096, 177745), (5320, 170261), (6370, 142196), (6916, 130970), (7448, 121615), (7484, 121030), (8645, 104776), (9310, 97292), (9355, 96824), (9880, 91679), (12103, 74840), (12740, 71098), (13097, 69160), (13832, 65485), (14968, 60515), (17290, 52388), (18620, 48646), (18710, 48412), (24206, 37420), (24323, 37240), (25480, 35549), (26194, 34580)]