1319999380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7561}}^1$

素因数の和:7649

約数の個数: 96

約数和(自身を含む): 3353898240

約数和(自身を除く): 2033898860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 43, 58, 70, 86, 116, 140, 145, 172, 203, 215, 290, 301, 406, 430, 580, 602, 812, 860, 1015, 1204, 1247, 1505, 2030, 2494, 3010, 4060, 4988, 6020, 6235, 7561, 8729, 12470, 15122, 17458, 24940, 30244, 34916, 37805, 43645, 52927, 75610, 87290, 105854, 151220, 174580, 211708, 219269, 264635, 325123, 438538, 529270, 650246, 877076, 1058540, 1096345, 1300492, 1534883, 1625615, 2192690, 2275861, 3069766, 3251230, 4385380, 4551722, 6139532, 6502460, 7674415, 9103444, 9428567, 11379305, 15348830, 18857134, 22758610, 30697660, 37714268, 45517220, 47142835, 65999969, 94285670, 131999938, 188571340, 263999876, 329999845, 659999690, 1319999380]

約数ペア:

[(1, 1319999380), (2, 659999690), (4, 329999845), (5, 263999876), (7, 188571340), (10, 131999938), (14, 94285670), (20, 65999969), (28, 47142835), (29, 45517220), (35, 37714268), (43, 30697660), (58, 22758610), (70, 18857134), (86, 15348830), (116, 11379305), (140, 9428567), (145, 9103444), (172, 7674415), (203, 6502460), (215, 6139532), (290, 4551722), (301, 4385380), (406, 3251230), (430, 3069766), (580, 2275861), (602, 2192690), (812, 1625615), (860, 1534883), (1015, 1300492), (1204, 1096345), (1247, 1058540), (1505, 877076), (2030, 650246), (2494, 529270), (3010, 438538), (4060, 325123), (4988, 264635), (6020, 219269), (6235, 211708), (7561, 174580), (8729, 151220), (12470, 105854), (15122, 87290), (17458, 75610), (24940, 52927), (30244, 43645), (34916, 37805)]