1022140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{149}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 2520000

約数和(自身を除く): 1497860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 343, 490, 596, 686, 745, 980, 1043, 1372, 1490, 1715, 2086, 2980, 3430, 4172, 5215, 6860, 7301, 10430, 14602, 20860, 29204, 36505, 51107, 73010, 102214, 146020, 204428, 255535, 511070, 1022140]

約数ペア:

[(1, 1022140), (2, 511070), (4, 255535), (5, 204428), (7, 146020), (10, 102214), (14, 73010), (20, 51107), (28, 36505), (35, 29204), (49, 20860), (70, 14602), (98, 10430), (140, 7301), (149, 6860), (196, 5215), (245, 4172), (298, 3430), (343, 2980), (490, 2086), (596, 1715), (686, 1490), (745, 1372), (980, 1043)]