16719290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 35397000

約数和(自身を除く): 18677710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 149, 229, 245, 298, 458, 490, 745, 1043, 1145, 1490, 1603, 2086, 2290, 3206, 5215, 7301, 8015, 10430, 11221, 14602, 16030, 22442, 34121, 36505, 56105, 68242, 73010, 112210, 170605, 238847, 341210, 477694, 1194235, 1671929, 2388470, 3343858, 8359645, 16719290]

約数ペア:

[(1, 16719290), (2, 8359645), (5, 3343858), (7, 2388470), (10, 1671929), (14, 1194235), (35, 477694), (49, 341210), (70, 238847), (98, 170605), (149, 112210), (229, 73010), (245, 68242), (298, 56105), (458, 36505), (490, 34121), (745, 22442), (1043, 16030), (1145, 14602), (1490, 11221), (1603, 10430), (2086, 8015), (2290, 7301), (3206, 5215)]