43378400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 117898704

約数和(自身を除く): 74520304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 43, 50, 52, 65, 80, 86, 97, 100, 104, 130, 160, 172, 194, 200, 208, 215, 260, 325, 344, 388, 400, 416, 430, 485, 520, 559, 650, 688, 776, 800, 860, 970, 1040, 1075, 1118, 1261, 1300, 1376, 1552, 1720, 1940, 2080, 2150, 2236, 2425, 2522, 2600, 2795, 3104, 3440, 3880, 4171, 4300, 4472, 4850, 5044, 5200, 5590, 6305, 6880, 7760, 8342, 8600, 8944, 9700, 10088, 10400, 11180, 12610, 13975, 15520, 16684, 17200, 17888, 19400, 20176, 20855, 22360, 25220, 27950, 31525, 33368, 34400, 38800, 40352, 41710, 44720, 50440, 54223, 55900, 63050, 66736, 77600, 83420, 89440, 100880, 104275, 108446, 111800, 126100, 133472, 166840, 201760, 208550, 216892, 223600, 252200, 271115, 333680, 417100, 433784, 447200, 504400, 542230, 667360, 834200, 867568, 1008800, 1084460, 1355575, 1668400, 1735136, 2168920, 2711150, 3336800, 4337840, 5422300, 8675680, 10844600, 21689200, 43378400]

約数ペア:

[(1, 43378400), (2, 21689200), (4, 10844600), (5, 8675680), (8, 5422300), (10, 4337840), (13, 3336800), (16, 2711150), (20, 2168920), (25, 1735136), (26, 1668400), (32, 1355575), (40, 1084460), (43, 1008800), (50, 867568), (52, 834200), (65, 667360), (80, 542230), (86, 504400), (97, 447200), (100, 433784), (104, 417100), (130, 333680), (160, 271115), (172, 252200), (194, 223600), (200, 216892), (208, 208550), (215, 201760), (260, 166840), (325, 133472), (344, 126100), (388, 111800), (400, 108446), (416, 104275), (430, 100880), (485, 89440), (520, 83420), (559, 77600), (650, 66736), (688, 63050), (776, 55900), (800, 54223), (860, 50440), (970, 44720), (1040, 41710), (1075, 40352), (1118, 38800), (1261, 34400), (1300, 33368), (1376, 31525), (1552, 27950), (1720, 25220), (1940, 22360), (2080, 20855), (2150, 20176), (2236, 19400), (2425, 17888), (2522, 17200), (2600, 16684), (2795, 15520), (3104, 13975), (3440, 12610), (3880, 11180), (4171, 10400), (4300, 10088), (4472, 9700), (4850, 8944), (5044, 8600), (5200, 8342), (5590, 7760), (6305, 6880)]