247637000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 128

約数和(自身を含む): 639999360

約数和(自身を除く): 392362360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 86, 100, 104, 125, 130, 172, 200, 215, 250, 260, 325, 344, 430, 443, 500, 520, 559, 650, 860, 886, 1000, 1075, 1118, 1300, 1625, 1720, 1772, 2150, 2215, 2236, 2600, 2795, 3250, 3544, 4300, 4430, 4472, 5375, 5590, 5759, 6500, 8600, 8860, 10750, 11075, 11180, 11518, 13000, 13975, 17720, 19049, 21500, 22150, 22360, 23036, 27950, 28795, 38098, 43000, 44300, 46072, 55375, 55900, 57590, 69875, 76196, 88600, 95245, 110750, 111800, 115180, 139750, 143975, 152392, 190490, 221500, 230360, 247637, 279500, 287950, 380980, 443000, 476225, 495274, 559000, 575900, 719875, 761960, 952450, 990548, 1151800, 1238185, 1439750, 1904900, 1981096, 2381125, 2476370, 2879500, 3809800, 4762250, 4952740, 5759000, 6190925, 9524500, 9905480, 12381850, 19049000, 24763700, 30954625, 49527400, 61909250, 123818500, 247637000]

約数ペア:

[(1, 247637000), (2, 123818500), (4, 61909250), (5, 49527400), (8, 30954625), (10, 24763700), (13, 19049000), (20, 12381850), (25, 9905480), (26, 9524500), (40, 6190925), (43, 5759000), (50, 4952740), (52, 4762250), (65, 3809800), (86, 2879500), (100, 2476370), (104, 2381125), (125, 1981096), (130, 1904900), (172, 1439750), (200, 1238185), (215, 1151800), (250, 990548), (260, 952450), (325, 761960), (344, 719875), (430, 575900), (443, 559000), (500, 495274), (520, 476225), (559, 443000), (650, 380980), (860, 287950), (886, 279500), (1000, 247637), (1075, 230360), (1118, 221500), (1300, 190490), (1625, 152392), (1720, 143975), (1772, 139750), (2150, 115180), (2215, 111800), (2236, 110750), (2600, 95245), (2795, 88600), (3250, 76196), (3544, 69875), (4300, 57590), (4430, 55900), (4472, 55375), (5375, 46072), (5590, 44300), (5759, 43000), (6500, 38098), (8600, 28795), (8860, 27950), (10750, 23036), (11075, 22360), (11180, 22150), (11518, 21500), (13000, 19049), (13975, 17720)]