247613340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317453}}^1$

素因数の和:317478

約数の個数: 48

約数和(自身を含む): 746651808

約数和(自身を除く): 499038468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 317453, 634906, 952359, 1269812, 1587265, 1904718, 3174530, 3809436, 4126889, 4761795, 6349060, 8253778, 9523590, 12380667, 16507556, 19047180, 20634445, 24761334, 41268890, 49522668, 61903335, 82537780, 123806670, 247613340]

約数ペア:

[(1, 247613340), (2, 123806670), (3, 82537780), (4, 61903335), (5, 49522668), (6, 41268890), (10, 24761334), (12, 20634445), (13, 19047180), (15, 16507556), (20, 12380667), (26, 9523590), (30, 8253778), (39, 6349060), (52, 4761795), (60, 4126889), (65, 3809436), (78, 3174530), (130, 1904718), (156, 1587265), (195, 1269812), (260, 952359), (390, 634906), (780, 317453)]