263968400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 659630400

約数和(自身を除く): 395662000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 103, 149, 172, 200, 206, 215, 298, 344, 400, 412, 430, 515, 596, 688, 745, 824, 860, 1030, 1075, 1192, 1490, 1648, 1720, 2060, 2150, 2384, 2575, 2980, 3440, 3725, 4120, 4300, 4429, 5150, 5960, 6407, 7450, 8240, 8600, 8858, 10300, 11920, 12814, 14900, 15347, 17200, 17716, 20600, 22145, 25628, 29800, 30694, 32035, 35432, 41200, 44290, 51256, 59600, 61388, 64070, 70864, 76735, 88580, 102512, 110725, 122776, 128140, 153470, 160175, 177160, 221450, 245552, 256280, 306940, 320350, 354320, 383675, 442900, 512560, 613880, 640700, 659921, 767350, 885800, 1227760, 1281400, 1319842, 1534700, 1771600, 2562800, 2639684, 3069400, 3299605, 5279368, 6138800, 6599210, 10558736, 13198420, 16498025, 26396840, 32996050, 52793680, 65992100, 131984200, 263968400]

約数ペア:

[(1, 263968400), (2, 131984200), (4, 65992100), (5, 52793680), (8, 32996050), (10, 26396840), (16, 16498025), (20, 13198420), (25, 10558736), (40, 6599210), (43, 6138800), (50, 5279368), (80, 3299605), (86, 3069400), (100, 2639684), (103, 2562800), (149, 1771600), (172, 1534700), (200, 1319842), (206, 1281400), (215, 1227760), (298, 885800), (344, 767350), (400, 659921), (412, 640700), (430, 613880), (515, 512560), (596, 442900), (688, 383675), (745, 354320), (824, 320350), (860, 306940), (1030, 256280), (1075, 245552), (1192, 221450), (1490, 177160), (1648, 160175), (1720, 153470), (2060, 128140), (2150, 122776), (2384, 110725), (2575, 102512), (2980, 88580), (3440, 76735), (3725, 70864), (4120, 64070), (4300, 61388), (4429, 59600), (5150, 51256), (5960, 44290), (6407, 41200), (7450, 35432), (8240, 32035), (8600, 30694), (8858, 29800), (10300, 25628), (11920, 22145), (12814, 20600), (14900, 17716), (15347, 17200)]