87173900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 224568960

約数和(自身を除く): 137395060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 43, 44, 50, 55, 76, 86, 95, 97, 100, 110, 172, 190, 194, 209, 215, 220, 275, 380, 388, 418, 430, 473, 475, 485, 550, 817, 836, 860, 946, 950, 970, 1045, 1067, 1075, 1100, 1634, 1843, 1892, 1900, 1940, 2090, 2134, 2150, 2365, 2425, 3268, 3686, 4085, 4171, 4180, 4268, 4300, 4730, 4850, 5225, 5335, 7372, 8170, 8342, 8987, 9215, 9460, 9700, 10450, 10670, 11825, 16340, 16684, 17974, 18430, 20273, 20425, 20855, 20900, 21340, 23650, 26675, 35948, 36860, 40546, 40850, 41710, 44935, 45881, 46075, 47300, 53350, 79249, 81092, 81700, 83420, 89870, 91762, 92150, 101365, 104275, 106700, 158498, 179740, 183524, 184300, 202730, 208550, 224675, 229405, 316996, 396245, 405460, 417100, 449350, 458810, 506825, 792490, 871739, 898700, 917620, 1013650, 1147025, 1584980, 1743478, 1981225, 2027300, 2294050, 3486956, 3962450, 4358695, 4588100, 7924900, 8717390, 17434780, 21793475, 43586950, 87173900]

約数ペア:

[(1, 87173900), (2, 43586950), (4, 21793475), (5, 17434780), (10, 8717390), (11, 7924900), (19, 4588100), (20, 4358695), (22, 3962450), (25, 3486956), (38, 2294050), (43, 2027300), (44, 1981225), (50, 1743478), (55, 1584980), (76, 1147025), (86, 1013650), (95, 917620), (97, 898700), (100, 871739), (110, 792490), (172, 506825), (190, 458810), (194, 449350), (209, 417100), (215, 405460), (220, 396245), (275, 316996), (380, 229405), (388, 224675), (418, 208550), (430, 202730), (473, 184300), (475, 183524), (485, 179740), (550, 158498), (817, 106700), (836, 104275), (860, 101365), (946, 92150), (950, 91762), (970, 89870), (1045, 83420), (1067, 81700), (1075, 81092), (1100, 79249), (1634, 53350), (1843, 47300), (1892, 46075), (1900, 45881), (1940, 44935), (2090, 41710), (2134, 40850), (2150, 40546), (2365, 36860), (2425, 35948), (3268, 26675), (3686, 23650), (4085, 21340), (4171, 20900), (4180, 20855), (4268, 20425), (4300, 20273), (4730, 18430), (4850, 17974), (5225, 16684), (5335, 16340), (7372, 11825), (8170, 10670), (8342, 10450), (8987, 9700), (9215, 9460)]