7499730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 20901888

約数和(自身を除く): 13402158

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 503, 710, 994, 1006, 1065, 1491, 1509, 2130, 2485, 2515, 2982, 3018, 3521, 4970, 5030, 7042, 7455, 7545, 10563, 14910, 15090, 17605, 21126, 35210, 35713, 52815, 71426, 105630, 107139, 178565, 214278, 249991, 357130, 499982, 535695, 749973, 1071390, 1249955, 1499946, 2499910, 3749865, 7499730]

約数ペア:

[(1, 7499730), (2, 3749865), (3, 2499910), (5, 1499946), (6, 1249955), (7, 1071390), (10, 749973), (14, 535695), (15, 499982), (21, 357130), (30, 249991), (35, 214278), (42, 178565), (70, 107139), (71, 105630), (105, 71426), (142, 52815), (210, 35713), (213, 35210), (355, 21126), (426, 17605), (497, 15090), (503, 14910), (710, 10563), (994, 7545), (1006, 7455), (1065, 7042), (1491, 5030), (1509, 4970), (2130, 3521), (2485, 3018), (2515, 2982)]