2019587020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 4890783744

約数和(自身を除く): 2871196724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 43, 44, 55, 82, 86, 110, 127, 164, 172, 205, 215, 220, 254, 410, 430, 451, 473, 508, 635, 820, 860, 902, 946, 1270, 1397, 1681, 1763, 1804, 1892, 2255, 2365, 2540, 2794, 3362, 3526, 4510, 4730, 5207, 5461, 5588, 6724, 6985, 7052, 8405, 8815, 9020, 9460, 10414, 10922, 13970, 16810, 17630, 18491, 19393, 20828, 21844, 26035, 27305, 27940, 33620, 35260, 36982, 38786, 52070, 54610, 57277, 60071, 72283, 73964, 77572, 92455, 96965, 104140, 109220, 114554, 120142, 144566, 184910, 193930, 213487, 223901, 229108, 240284, 286385, 289132, 300355, 361415, 369820, 387860, 426974, 447802, 572770, 600710, 722830, 795113, 853948, 895604, 1067435, 1119505, 1145540, 1201420, 1445660, 1590226, 2134870, 2239010, 2348357, 2462911, 3180452, 3975565, 4269740, 4478020, 4696714, 4925822, 7951130, 9179941, 9393428, 9851644, 11741785, 12314555, 15902260, 18359882, 23483570, 24629110, 36719764, 45899705, 46967140, 49258220, 91799410, 100979351, 183598820, 201958702, 403917404, 504896755, 1009793510, 2019587020]

約数ペア:

[(1, 2019587020), (2, 1009793510), (4, 504896755), (5, 403917404), (10, 201958702), (11, 183598820), (20, 100979351), (22, 91799410), (41, 49258220), (43, 46967140), (44, 45899705), (55, 36719764), (82, 24629110), (86, 23483570), (110, 18359882), (127, 15902260), (164, 12314555), (172, 11741785), (205, 9851644), (215, 9393428), (220, 9179941), (254, 7951130), (410, 4925822), (430, 4696714), (451, 4478020), (473, 4269740), (508, 3975565), (635, 3180452), (820, 2462911), (860, 2348357), (902, 2239010), (946, 2134870), (1270, 1590226), (1397, 1445660), (1681, 1201420), (1763, 1145540), (1804, 1119505), (1892, 1067435), (2255, 895604), (2365, 853948), (2540, 795113), (2794, 722830), (3362, 600710), (3526, 572770), (4510, 447802), (4730, 426974), (5207, 387860), (5461, 369820), (5588, 361415), (6724, 300355), (6985, 289132), (7052, 286385), (8405, 240284), (8815, 229108), (9020, 223901), (9460, 213487), (10414, 193930), (10922, 184910), (13970, 144566), (16810, 120142), (17630, 114554), (18491, 109220), (19393, 104140), (20828, 96965), (21844, 92455), (26035, 77572), (27305, 73964), (27940, 72283), (33620, 60071), (35260, 57277), (36982, 54610), (38786, 52070)]