201320420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29347}}^1$

素因数の和:29377

約数の個数: 48

約数和(自身を含む): 493046400

約数和(自身を除く): 291725980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 29347, 58694, 117388, 146735, 205429, 293470, 410858, 586940, 821716, 1027145, 1438003, 2054290, 2876006, 4108580, 5752012, 7190015, 10066021, 14380030, 20132042, 28760060, 40264084, 50330105, 100660210, 201320420]

約数ペア:

[(1, 201320420), (2, 100660210), (4, 50330105), (5, 40264084), (7, 28760060), (10, 20132042), (14, 14380030), (20, 10066021), (28, 7190015), (35, 5752012), (49, 4108580), (70, 2876006), (98, 2054290), (140, 1438003), (196, 1027145), (245, 821716), (343, 586940), (490, 410858), (686, 293470), (980, 205429), (1372, 146735), (1715, 117388), (3430, 58694), (6860, 29347)]