201550725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 417830400

約数和(自身を除く): 216279675

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 29, 45, 51, 69, 75, 79, 85, 87, 115, 145, 153, 207, 225, 237, 255, 261, 345, 391, 395, 425, 435, 493, 575, 667, 711, 725, 765, 1035, 1173, 1185, 1275, 1305, 1343, 1479, 1725, 1817, 1955, 1975, 2001, 2175, 2291, 2465, 3335, 3519, 3555, 3825, 4029, 4437, 5175, 5451, 5865, 5925, 6003, 6525, 6715, 6873, 7395, 9085, 9775, 10005, 11339, 11455, 12087, 12325, 16353, 16675, 17595, 17775, 20145, 20619, 22185, 27255, 29325, 30015, 30889, 33575, 34017, 34365, 36975, 38947, 45425, 50025, 52693, 56695, 57275, 60435, 81765, 87975, 92667, 100725, 102051, 103095, 110925, 116841, 136275, 150075, 154445, 158079, 170085, 171825, 194735, 263465, 278001, 283475, 302175, 350523, 408825, 463335, 474237, 510255, 515475, 584205, 772225, 790395, 850425, 895781, 973675, 1317325, 1390005, 1752615, 2316675, 2371185, 2551275, 2687343, 2921025, 3951975, 4478905, 6950025, 8062029, 8763075, 11855925, 13436715, 22394525, 40310145, 67183575, 201550725]

約数ペア:

[(1, 201550725), (3, 67183575), (5, 40310145), (9, 22394525), (15, 13436715), (17, 11855925), (23, 8763075), (25, 8062029), (29, 6950025), (45, 4478905), (51, 3951975), (69, 2921025), (75, 2687343), (79, 2551275), (85, 2371185), (87, 2316675), (115, 1752615), (145, 1390005), (153, 1317325), (207, 973675), (225, 895781), (237, 850425), (255, 790395), (261, 772225), (345, 584205), (391, 515475), (395, 510255), (425, 474237), (435, 463335), (493, 408825), (575, 350523), (667, 302175), (711, 283475), (725, 278001), (765, 263465), (1035, 194735), (1173, 171825), (1185, 170085), (1275, 158079), (1305, 154445), (1343, 150075), (1479, 136275), (1725, 116841), (1817, 110925), (1955, 103095), (1975, 102051), (2001, 100725), (2175, 92667), (2291, 87975), (2465, 81765), (3335, 60435), (3519, 57275), (3555, 56695), (3825, 52693), (4029, 50025), (4437, 45425), (5175, 38947), (5451, 36975), (5865, 34365), (5925, 34017), (6003, 33575), (6525, 30889), (6715, 30015), (6873, 29325), (7395, 27255), (9085, 22185), (9775, 20619), (10005, 20145), (11339, 17775), (11455, 17595), (12087, 16675), (12325, 16353)]