291704420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67213}}^1$

素因数の和:67260

約数の個数: 48

約数和(自身を含む): 722684928

約数和(自身を除く): 430980508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 67213, 134426, 268852, 336065, 470491, 672130, 940982, 1344260, 1881964, 2083603, 2352455, 4167206, 4704910, 8334412, 9409820, 10418015, 14585221, 20836030, 29170442, 41672060, 58340884, 72926105, 145852210, 291704420]

約数ペア:

[(1, 291704420), (2, 145852210), (4, 72926105), (5, 58340884), (7, 41672060), (10, 29170442), (14, 20836030), (20, 14585221), (28, 10418015), (31, 9409820), (35, 8334412), (62, 4704910), (70, 4167206), (124, 2352455), (140, 2083603), (155, 1881964), (217, 1344260), (310, 940982), (434, 672130), (620, 470491), (868, 336065), (1085, 268852), (2170, 134426), (4340, 67213)]