7499940

素因数分解:

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

素因数の和:2577

約数の個数: 72

約数和(自身を含む): 24437952

約数和(自身を除く): 16938012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2551, 2940, 5102, 7653, 10204, 12755, 15306, 17857, 25510, 30612, 35714, 38265, 51020, 53571, 71428, 76530, 89285, 107142, 124999, 153060, 178570, 214284, 249998, 267855, 357140, 374997, 499996, 535710, 624995, 749994, 1071420, 1249990, 1499988, 1874985, 2499980, 3749970, 7499940]

約数ペア:

[(1, 7499940), (2, 3749970), (3, 2499980), (4, 1874985), (5, 1499988), (6, 1249990), (7, 1071420), (10, 749994), (12, 624995), (14, 535710), (15, 499996), (20, 374997), (21, 357140), (28, 267855), (30, 249998), (35, 214284), (42, 178570), (49, 153060), (60, 124999), (70, 107142), (84, 89285), (98, 76530), (105, 71428), (140, 53571), (147, 51020), (196, 38265), (210, 35714), (245, 30612), (294, 25510), (420, 17857), (490, 15306), (588, 12755), (735, 10204), (980, 7653), (1470, 5102), (2551, 2940)]