28415940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2333}}^1$

素因数の和:2381

約数の個数: 96

約数和(自身を含む): 94106880

約数和(自身を除く): 65690940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2333, 2436, 3045, 4060, 4666, 6090, 6999, 9332, 11665, 12180, 13998, 16331, 23330, 27996, 32662, 34995, 46660, 48993, 65324, 67657, 69990, 81655, 97986, 135314, 139980, 163310, 195972, 202971, 244965, 270628, 326620, 338285, 405942, 473599, 489930, 676570, 811884, 947198, 979860, 1014855, 1353140, 1420797, 1894396, 2029710, 2367995, 2841594, 4059420, 4735990, 5683188, 7103985, 9471980, 14207970, 28415940]

約数ペア:

[(1, 28415940), (2, 14207970), (3, 9471980), (4, 7103985), (5, 5683188), (6, 4735990), (7, 4059420), (10, 2841594), (12, 2367995), (14, 2029710), (15, 1894396), (20, 1420797), (21, 1353140), (28, 1014855), (29, 979860), (30, 947198), (35, 811884), (42, 676570), (58, 489930), (60, 473599), (70, 405942), (84, 338285), (87, 326620), (105, 270628), (116, 244965), (140, 202971), (145, 195972), (174, 163310), (203, 139980), (210, 135314), (290, 97986), (348, 81655), (406, 69990), (420, 67657), (435, 65324), (580, 48993), (609, 46660), (812, 34995), (870, 32662), (1015, 27996), (1218, 23330), (1740, 16331), (2030, 13998), (2333, 12180), (2436, 11665), (3045, 9332), (4060, 6999), (4666, 6090)]