190018180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 491412096

約数和(自身を除く): 301393916

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 47, 55, 68, 85, 92, 94, 110, 115, 170, 187, 188, 220, 230, 235, 253, 340, 374, 391, 460, 470, 506, 517, 748, 782, 799, 935, 940, 1012, 1034, 1081, 1265, 1564, 1598, 1870, 1955, 2068, 2162, 2209, 2530, 2585, 3196, 3740, 3910, 3995, 4301, 4324, 4418, 5060, 5170, 5405, 7820, 7990, 8602, 8789, 8836, 10340, 10810, 11045, 11891, 15980, 17204, 17578, 18377, 21505, 21620, 22090, 23782, 24299, 35156, 36754, 37553, 43010, 43945, 44180, 47564, 48598, 50807, 59455, 73508, 75106, 86020, 87890, 91885, 97196, 101614, 118910, 121495, 150212, 175780, 183770, 187765, 202147, 203228, 237820, 242990, 254035, 367540, 375530, 404294, 413083, 485980, 508070, 558877, 751060, 808588, 826166, 863719, 1010735, 1016140, 1117754, 1652332, 1727438, 2021470, 2065415, 2235508, 2794385, 3454876, 4042940, 4130830, 4318595, 5588770, 8261660, 8637190, 9500909, 11177540, 17274380, 19001818, 38003636, 47504545, 95009090, 190018180]

約数ペア:

[(1, 190018180), (2, 95009090), (4, 47504545), (5, 38003636), (10, 19001818), (11, 17274380), (17, 11177540), (20, 9500909), (22, 8637190), (23, 8261660), (34, 5588770), (44, 4318595), (46, 4130830), (47, 4042940), (55, 3454876), (68, 2794385), (85, 2235508), (92, 2065415), (94, 2021470), (110, 1727438), (115, 1652332), (170, 1117754), (187, 1016140), (188, 1010735), (220, 863719), (230, 826166), (235, 808588), (253, 751060), (340, 558877), (374, 508070), (391, 485980), (460, 413083), (470, 404294), (506, 375530), (517, 367540), (748, 254035), (782, 242990), (799, 237820), (935, 203228), (940, 202147), (1012, 187765), (1034, 183770), (1081, 175780), (1265, 150212), (1564, 121495), (1598, 118910), (1870, 101614), (1955, 97196), (2068, 91885), (2162, 87890), (2209, 86020), (2530, 75106), (2585, 73508), (3196, 59455), (3740, 50807), (3910, 48598), (3995, 47564), (4301, 44180), (4324, 43945), (4418, 43010), (5060, 37553), (5170, 36754), (5405, 35156), (7820, 24299), (7990, 23782), (8602, 22090), (8789, 21620), (8836, 21505), (10340, 18377), (10810, 17578), (11045, 17204), (11891, 15980)]