308743960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{2879}}^1$

素因数の和:3280

約数の個数: 64

約数和(自身を含む): 796262400

約数和(自身を除く): 487518440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 1532, 1915, 2681, 2879, 3064, 3830, 5362, 5758, 7660, 10724, 11516, 13405, 14395, 15320, 20153, 21448, 23032, 26810, 28790, 40306, 53620, 57580, 80612, 100765, 107240, 115160, 161224, 201530, 403060, 806120, 1102657, 2205314, 4410628, 5513285, 7718599, 8821256, 11026570, 15437198, 22053140, 30874396, 38592995, 44106280, 61748792, 77185990, 154371980, 308743960]

約数ペア:

[(1, 308743960), (2, 154371980), (4, 77185990), (5, 61748792), (7, 44106280), (8, 38592995), (10, 30874396), (14, 22053140), (20, 15437198), (28, 11026570), (35, 8821256), (40, 7718599), (56, 5513285), (70, 4410628), (140, 2205314), (280, 1102657), (383, 806120), (766, 403060), (1532, 201530), (1915, 161224), (2681, 115160), (2879, 107240), (3064, 100765), (3830, 80612), (5362, 57580), (5758, 53620), (7660, 40306), (10724, 28790), (11516, 26810), (13405, 23032), (14395, 21448), (15320, 20153)]