87499300

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{2551}}^1$

素因数の和:2586

約数の個数: 72

約数和(自身を含む): 221513600

約数和(自身を除く): 134014300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2450, 2551, 3430, 4900, 5102, 6860, 8575, 10204, 12755, 17150, 17857, 25510, 34300, 35714, 51020, 63775, 71428, 89285, 124999, 127550, 178570, 249998, 255100, 357140, 446425, 499996, 624995, 874993, 892850, 1249990, 1749986, 1785700, 2499980, 3124975, 3499972, 4374965, 6249950, 8749930, 12499900, 17499860, 21874825, 43749650, 87499300]

約数ペア:

[(1, 87499300), (2, 43749650), (4, 21874825), (5, 17499860), (7, 12499900), (10, 8749930), (14, 6249950), (20, 4374965), (25, 3499972), (28, 3124975), (35, 2499980), (49, 1785700), (50, 1749986), (70, 1249990), (98, 892850), (100, 874993), (140, 624995), (175, 499996), (196, 446425), (245, 357140), (343, 255100), (350, 249998), (490, 178570), (686, 127550), (700, 124999), (980, 89285), (1225, 71428), (1372, 63775), (1715, 51020), (2450, 35714), (2551, 34300), (3430, 25510), (4900, 17857), (5102, 17150), (6860, 12755), (8575, 10204)]