989968400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{130259}}^1$

素因数の和:130296

約数の個数: 60

約数和(自身を含む): 2503597200

約数和(自身を除く): 1513628800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 130259, 260518, 521036, 651295, 1042072, 1302590, 2084144, 2474921, 2605180, 3256475, 4949842, 5210360, 6512950, 9899684, 10420720, 12374605, 13025900, 19799368, 24749210, 26051800, 39598736, 49498420, 52103600, 61873025, 98996840, 123746050, 197993680, 247492100, 494984200, 989968400]

約数ペア:

[(1, 989968400), (2, 494984200), (4, 247492100), (5, 197993680), (8, 123746050), (10, 98996840), (16, 61873025), (19, 52103600), (20, 49498420), (25, 39598736), (38, 26051800), (40, 24749210), (50, 19799368), (76, 13025900), (80, 12374605), (95, 10420720), (100, 9899684), (152, 6512950), (190, 5210360), (200, 4949842), (304, 3256475), (380, 2605180), (400, 2474921), (475, 2084144), (760, 1302590), (950, 1042072), (1520, 651295), (1900, 521036), (3800, 260518), (7600, 130259)]