2389308520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1831}}^1$

素因数の和:1979

約数の個数: 128

約数和(自身を含む): 6054393600

約数和(自身を除く): 3665085080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 101, 136, 152, 170, 190, 202, 323, 340, 380, 404, 505, 646, 680, 760, 808, 1010, 1292, 1615, 1717, 1831, 1919, 2020, 2584, 3230, 3434, 3662, 3838, 4040, 6460, 6868, 7324, 7676, 8585, 9155, 9595, 12920, 13736, 14648, 15352, 17170, 18310, 19190, 31127, 32623, 34340, 34789, 36620, 38380, 62254, 65246, 68680, 69578, 73240, 76760, 124508, 130492, 139156, 155635, 163115, 173945, 184931, 249016, 260984, 278312, 311270, 326230, 347890, 369862, 591413, 622540, 652460, 695780, 739724, 924655, 1182826, 1245080, 1304920, 1391560, 1479448, 1849310, 2365652, 2957065, 3143827, 3513689, 3698620, 4731304, 5914130, 6287654, 7027378, 7397240, 11828260, 12575308, 14054756, 15719135, 17568445, 23656520, 25150616, 28109512, 31438270, 35136890, 59732713, 62876540, 70273780, 119465426, 125753080, 140547560, 238930852, 298663565, 477861704, 597327130, 1194654260, 2389308520]

約数ペア:

[(1, 2389308520), (2, 1194654260), (4, 597327130), (5, 477861704), (8, 298663565), (10, 238930852), (17, 140547560), (19, 125753080), (20, 119465426), (34, 70273780), (38, 62876540), (40, 59732713), (68, 35136890), (76, 31438270), (85, 28109512), (95, 25150616), (101, 23656520), (136, 17568445), (152, 15719135), (170, 14054756), (190, 12575308), (202, 11828260), (323, 7397240), (340, 7027378), (380, 6287654), (404, 5914130), (505, 4731304), (646, 3698620), (680, 3513689), (760, 3143827), (808, 2957065), (1010, 2365652), (1292, 1849310), (1615, 1479448), (1717, 1391560), (1831, 1304920), (1919, 1245080), (2020, 1182826), (2584, 924655), (3230, 739724), (3434, 695780), (3662, 652460), (3838, 622540), (4040, 591413), (6460, 369862), (6868, 347890), (7324, 326230), (7676, 311270), (8585, 278312), (9155, 260984), (9595, 249016), (12920, 184931), (13736, 173945), (14648, 163115), (15352, 155635), (17170, 139156), (18310, 130492), (19190, 124508), (31127, 76760), (32623, 73240), (34340, 69578), (34789, 68680), (36620, 65246), (38380, 62254)]