149086420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 367000200

約数和(自身を除く): 217913780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1021, 1043, 1490, 2042, 2086, 2980, 4084, 4172, 5105, 5215, 7147, 7301, 10210, 10430, 14294, 14602, 20420, 20860, 28588, 29204, 35735, 36505, 50029, 71470, 73010, 100058, 142940, 146020, 152129, 200116, 250145, 304258, 500290, 608516, 760645, 1000580, 1064903, 1521290, 2129806, 3042580, 4259612, 5324515, 7454321, 10649030, 14908642, 21298060, 29817284, 37271605, 74543210, 149086420]

約数ペア:

[(1, 149086420), (2, 74543210), (4, 37271605), (5, 29817284), (7, 21298060), (10, 14908642), (14, 10649030), (20, 7454321), (28, 5324515), (35, 4259612), (49, 3042580), (70, 2129806), (98, 1521290), (140, 1064903), (149, 1000580), (196, 760645), (245, 608516), (298, 500290), (490, 304258), (596, 250145), (745, 200116), (980, 152129), (1021, 146020), (1043, 142940), (1490, 100058), (2042, 73010), (2086, 71470), (2980, 50029), (4084, 36505), (4172, 35735), (5105, 29204), (5215, 28588), (7147, 20860), (7301, 20420), (10210, 14602), (10430, 14294)]