499950640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{929}}^1$

素因数の和:1011

約数の個数: 120

約数和(自身を含む): 1374153120

約数和(自身を除く): 874202480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 929, 961, 1085, 1240, 1736, 1858, 1922, 2170, 2480, 3472, 3716, 3844, 4340, 4645, 4805, 6503, 6727, 7432, 7688, 8680, 9290, 9610, 13006, 13454, 14864, 15376, 17360, 18580, 19220, 26012, 26908, 28799, 32515, 33635, 37160, 38440, 52024, 53816, 57598, 65030, 67270, 74320, 76880, 104048, 107632, 115196, 130060, 134540, 143995, 201593, 230392, 260120, 269080, 287990, 403186, 460784, 520240, 538160, 575980, 806372, 892769, 1007965, 1151960, 1612744, 1785538, 2015930, 2303920, 3225488, 3571076, 4031860, 4463845, 6249383, 7142152, 8063720, 8927690, 12498766, 14284304, 16127440, 17855380, 24997532, 31246915, 35710760, 49995064, 62493830, 71421520, 99990128, 124987660, 249975320, 499950640]

約数ペア:

[(1, 499950640), (2, 249975320), (4, 124987660), (5, 99990128), (7, 71421520), (8, 62493830), (10, 49995064), (14, 35710760), (16, 31246915), (20, 24997532), (28, 17855380), (31, 16127440), (35, 14284304), (40, 12498766), (56, 8927690), (62, 8063720), (70, 7142152), (80, 6249383), (112, 4463845), (124, 4031860), (140, 3571076), (155, 3225488), (217, 2303920), (248, 2015930), (280, 1785538), (310, 1612744), (434, 1151960), (496, 1007965), (560, 892769), (620, 806372), (868, 575980), (929, 538160), (961, 520240), (1085, 460784), (1240, 403186), (1736, 287990), (1858, 269080), (1922, 260120), (2170, 230392), (2480, 201593), (3472, 143995), (3716, 134540), (3844, 130060), (4340, 115196), (4645, 107632), (4805, 104048), (6503, 76880), (6727, 74320), (7432, 67270), (7688, 65030), (8680, 57598), (9290, 53816), (9610, 52024), (13006, 38440), (13454, 37160), (14864, 33635), (15376, 32515), (17360, 28799), (18580, 26908), (19220, 26012)]