209936090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{32957}}^1$

素因数の和:32991

約数の個数: 48

約数和(自身を含む): 473408712

約数和(自身を除く): 263472622

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 32957, 65914, 164785, 230699, 329570, 428441, 461398, 856882, 1153495, 1614893, 2142205, 2306990, 2999087, 3229786, 4284410, 5998174, 8074465, 14995435, 16148930, 20993609, 29990870, 41987218, 104968045, 209936090]

約数ペア:

[(1, 209936090), (2, 104968045), (5, 41987218), (7, 29990870), (10, 20993609), (13, 16148930), (14, 14995435), (26, 8074465), (35, 5998174), (49, 4284410), (65, 3229786), (70, 2999087), (91, 2306990), (98, 2142205), (130, 1614893), (182, 1153495), (245, 856882), (455, 461398), (490, 428441), (637, 329570), (910, 230699), (1274, 164785), (3185, 65914), (6370, 32957)]