1340388

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{197}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 4036032

約数和(自身を除く): 2695644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 197, 243, 252, 324, 378, 394, 486, 567, 591, 756, 788, 972, 1134, 1182, 1379, 1701, 1773, 2268, 2364, 2758, 3402, 3546, 4137, 5319, 5516, 6804, 7092, 8274, 10638, 12411, 15957, 16548, 21276, 24822, 31914, 37233, 47871, 49644, 63828, 74466, 95742, 111699, 148932, 191484, 223398, 335097, 446796, 670194, 1340388]

約数ペア:

[(1, 1340388), (2, 670194), (3, 446796), (4, 335097), (6, 223398), (7, 191484), (9, 148932), (12, 111699), (14, 95742), (18, 74466), (21, 63828), (27, 49644), (28, 47871), (36, 37233), (42, 31914), (54, 24822), (63, 21276), (81, 16548), (84, 15957), (108, 12411), (126, 10638), (162, 8274), (189, 7092), (197, 6804), (243, 5516), (252, 5319), (324, 4137), (378, 3546), (394, 3402), (486, 2758), (567, 2364), (591, 2268), (756, 1773), (788, 1701), (972, 1379), (1134, 1182)]