211024720

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6781}}^1$

素因数の和:7183

約数の個数: 40

約数和(自身を含む): 491966280

約数和(自身を除く): 280941560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 6781, 7780, 13562, 15560, 27124, 31120, 33905, 54248, 67810, 108496, 135620, 271240, 542480, 2637809, 5275618, 10551236, 13189045, 21102472, 26378090, 42204944, 52756180, 105512360, 211024720]

約数ペア:

[(1, 211024720), (2, 105512360), (4, 52756180), (5, 42204944), (8, 26378090), (10, 21102472), (16, 13189045), (20, 10551236), (40, 5275618), (80, 2637809), (389, 542480), (778, 271240), (1556, 135620), (1945, 108496), (3112, 67810), (3890, 54248), (6224, 33905), (6781, 31120), (7780, 27124), (13562, 15560)]