1837421720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{3217}}^1$

素因数の和:3468

約数の個数: 64

約数和(自身を含む): 4205282400

約数和(自身を除く): 2367860680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 131, 218, 262, 436, 524, 545, 655, 872, 1048, 1090, 1310, 2180, 2620, 3217, 4360, 5240, 6434, 12868, 14279, 16085, 25736, 28558, 32170, 57116, 64340, 71395, 114232, 128680, 142790, 285580, 350653, 421427, 571160, 701306, 842854, 1402612, 1685708, 1753265, 2107135, 2805224, 3371416, 3506530, 4214270, 7013060, 8428540, 14026120, 16857080, 45935543, 91871086, 183742172, 229677715, 367484344, 459355430, 918710860, 1837421720]

約数ペア:

[(1, 1837421720), (2, 918710860), (4, 459355430), (5, 367484344), (8, 229677715), (10, 183742172), (20, 91871086), (40, 45935543), (109, 16857080), (131, 14026120), (218, 8428540), (262, 7013060), (436, 4214270), (524, 3506530), (545, 3371416), (655, 2805224), (872, 2107135), (1048, 1753265), (1090, 1685708), (1310, 1402612), (2180, 842854), (2620, 701306), (3217, 571160), (4360, 421427), (5240, 350653), (6434, 285580), (12868, 142790), (14279, 128680), (16085, 114232), (25736, 71395), (28558, 64340), (32170, 57116)]