156402820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2221}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 376282368

約数和(自身を除く): 219879548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 1006, 2012, 2221, 2515, 3521, 4442, 5030, 7042, 8884, 10060, 11105, 14084, 15547, 17605, 22210, 31094, 35210, 44420, 62188, 70420, 77735, 155470, 310940, 1117163, 2234326, 4468652, 5585815, 7820141, 11171630, 15640282, 22343260, 31280564, 39100705, 78201410, 156402820]

約数ペア:

[(1, 156402820), (2, 78201410), (4, 39100705), (5, 31280564), (7, 22343260), (10, 15640282), (14, 11171630), (20, 7820141), (28, 5585815), (35, 4468652), (70, 2234326), (140, 1117163), (503, 310940), (1006, 155470), (2012, 77735), (2221, 70420), (2515, 62188), (3521, 44420), (4442, 35210), (5030, 31094), (7042, 22210), (8884, 17605), (10060, 15547), (11105, 14084)]