17990350

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{1049}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 39060000

約数和(自身を除く): 21069650

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 343, 350, 490, 686, 1049, 1225, 1715, 2098, 2450, 3430, 5245, 7343, 8575, 10490, 14686, 17150, 26225, 36715, 51401, 52450, 73430, 102802, 183575, 257005, 359807, 367150, 514010, 719614, 1285025, 1799035, 2570050, 3598070, 8995175, 17990350]

約数ペア:

[(1, 17990350), (2, 8995175), (5, 3598070), (7, 2570050), (10, 1799035), (14, 1285025), (25, 719614), (35, 514010), (49, 367150), (50, 359807), (70, 257005), (98, 183575), (175, 102802), (245, 73430), (343, 52450), (350, 51401), (490, 36715), (686, 26225), (1049, 17150), (1225, 14686), (1715, 10490), (2098, 8575), (2450, 7343), (3430, 5245)]