25195800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{857}}^1$

素因数の和:890

約数の個数: 144

約数和(自身を含む): 90965160

約数和(自身を除く): 65769360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 735, 840, 857, 980, 1050, 1176, 1225, 1400, 1470, 1714, 1960, 2100, 2450, 2571, 2940, 3428, 3675, 4200, 4285, 4900, 5142, 5880, 5999, 6856, 7350, 8570, 9800, 10284, 11998, 12855, 14700, 17140, 17997, 20568, 21425, 23996, 25710, 29400, 29995, 34280, 35994, 41993, 42850, 47992, 51420, 59990, 64275, 71988, 83986, 85700, 89985, 102840, 119980, 125979, 128550, 143976, 149975, 167972, 171400, 179970, 209965, 239960, 251958, 257100, 299950, 335944, 359940, 419930, 449925, 503916, 514200, 599900, 629895, 719880, 839860, 899850, 1007832, 1049825, 1199800, 1259790, 1679720, 1799700, 2099650, 2519580, 3149475, 3599400, 4199300, 5039160, 6298950, 8398600, 12597900, 25195800]

約数ペア:

[(1, 25195800), (2, 12597900), (3, 8398600), (4, 6298950), (5, 5039160), (6, 4199300), (7, 3599400), (8, 3149475), (10, 2519580), (12, 2099650), (14, 1799700), (15, 1679720), (20, 1259790), (21, 1199800), (24, 1049825), (25, 1007832), (28, 899850), (30, 839860), (35, 719880), (40, 629895), (42, 599900), (49, 514200), (50, 503916), (56, 449925), (60, 419930), (70, 359940), (75, 335944), (84, 299950), (98, 257100), (100, 251958), (105, 239960), (120, 209965), (140, 179970), (147, 171400), (150, 167972), (168, 149975), (175, 143976), (196, 128550), (200, 125979), (210, 119980), (245, 102840), (280, 89985), (294, 85700), (300, 83986), (350, 71988), (392, 64275), (420, 59990), (490, 51420), (525, 47992), (588, 42850), (600, 41993), (700, 35994), (735, 34280), (840, 29995), (857, 29400), (980, 25710), (1050, 23996), (1176, 21425), (1225, 20568), (1400, 17997), (1470, 17140), (1714, 14700), (1960, 12855), (2100, 11998), (2450, 10284), (2571, 9800), (2940, 8570), (3428, 7350), (3675, 6856), (4200, 5999), (4285, 5880), (4900, 5142)]