213099880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16193}}^1$

素因数の和:16258

約数の個数: 64

約数和(自身を含む): 559664640

約数和(自身を除く): 346564760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 16193, 32386, 64772, 80965, 113351, 129544, 161930, 226702, 323860, 453404, 566755, 647720, 761071, 906808, 1133510, 1522142, 2267020, 3044284, 3805355, 4534040, 5327497, 6088568, 7610710, 10654994, 15221420, 21309988, 26637485, 30442840, 42619976, 53274970, 106549940, 213099880]

約数ペア:

[(1, 213099880), (2, 106549940), (4, 53274970), (5, 42619976), (7, 30442840), (8, 26637485), (10, 21309988), (14, 15221420), (20, 10654994), (28, 7610710), (35, 6088568), (40, 5327497), (47, 4534040), (56, 3805355), (70, 3044284), (94, 2267020), (140, 1522142), (188, 1133510), (235, 906808), (280, 761071), (329, 647720), (376, 566755), (470, 453404), (658, 323860), (940, 226702), (1316, 161930), (1645, 129544), (1880, 113351), (2632, 80965), (3290, 64772), (6580, 32386), (13160, 16193)]