38458140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 127475712

約数和(自身を除く): 89017572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 127, 140, 147, 196, 206, 210, 245, 254, 294, 309, 381, 412, 420, 490, 508, 515, 588, 618, 635, 721, 735, 762, 889, 980, 1030, 1236, 1270, 1442, 1470, 1524, 1545, 1778, 1905, 2060, 2163, 2540, 2667, 2884, 2940, 3090, 3556, 3605, 3810, 4326, 4445, 5047, 5334, 6180, 6223, 7210, 7620, 8652, 8890, 10094, 10668, 10815, 12446, 13081, 13335, 14420, 15141, 17780, 18669, 20188, 21630, 24892, 25235, 26162, 26670, 30282, 31115, 37338, 39243, 43260, 50470, 52324, 53340, 60564, 62230, 65405, 74676, 75705, 78486, 91567, 93345, 100940, 124460, 130810, 151410, 156972, 183134, 186690, 196215, 261620, 274701, 302820, 366268, 373380, 392430, 457835, 549402, 640969, 784860, 915670, 1098804, 1281938, 1373505, 1831340, 1922907, 2563876, 2747010, 3204845, 3845814, 5494020, 6409690, 7691628, 9614535, 12819380, 19229070, 38458140]

約数ペア:

[(1, 38458140), (2, 19229070), (3, 12819380), (4, 9614535), (5, 7691628), (6, 6409690), (7, 5494020), (10, 3845814), (12, 3204845), (14, 2747010), (15, 2563876), (20, 1922907), (21, 1831340), (28, 1373505), (30, 1281938), (35, 1098804), (42, 915670), (49, 784860), (60, 640969), (70, 549402), (84, 457835), (98, 392430), (103, 373380), (105, 366268), (127, 302820), (140, 274701), (147, 261620), (196, 196215), (206, 186690), (210, 183134), (245, 156972), (254, 151410), (294, 130810), (309, 124460), (381, 100940), (412, 93345), (420, 91567), (490, 78486), (508, 75705), (515, 74676), (588, 65405), (618, 62230), (635, 60564), (721, 53340), (735, 52324), (762, 50470), (889, 43260), (980, 39243), (1030, 37338), (1236, 31115), (1270, 30282), (1442, 26670), (1470, 26162), (1524, 25235), (1545, 24892), (1778, 21630), (1905, 20188), (2060, 18669), (2163, 17780), (2540, 15141), (2667, 14420), (2884, 13335), (2940, 13081), (3090, 12446), (3556, 10815), (3605, 10668), (3810, 10094), (4326, 8890), (4445, 8652), (5047, 7620), (5334, 7210), (6180, 6223)]