238187540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 535127040

約数和(自身を除く): 296939500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 479, 529, 940, 958, 1058, 1081, 1916, 2116, 2162, 2395, 2645, 4324, 4790, 5290, 5405, 9580, 10580, 10810, 11017, 21620, 22034, 22513, 24863, 44068, 45026, 49726, 55085, 90052, 99452, 110170, 112565, 124315, 220340, 225130, 248630, 253391, 450260, 497260, 506782, 517799, 1013564, 1035598, 1266955, 2071196, 2533910, 2588995, 5067820, 5177990, 10355980, 11909377, 23818754, 47637508, 59546885, 119093770, 238187540]

約数ペア:

[(1, 238187540), (2, 119093770), (4, 59546885), (5, 47637508), (10, 23818754), (20, 11909377), (23, 10355980), (46, 5177990), (47, 5067820), (92, 2588995), (94, 2533910), (115, 2071196), (188, 1266955), (230, 1035598), (235, 1013564), (460, 517799), (470, 506782), (479, 497260), (529, 450260), (940, 253391), (958, 248630), (1058, 225130), (1081, 220340), (1916, 124315), (2116, 112565), (2162, 110170), (2395, 99452), (2645, 90052), (4324, 55085), (4790, 49726), (5290, 45026), (5405, 44068), (9580, 24863), (10580, 22513), (10810, 22034), (11017, 21620)]