398512400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6967}}^1$

素因数の和:7009

約数の個数: 120

約数和(自身を含む): 1124969664

約数和(自身を除く): 726457264

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 176, 200, 208, 220, 260, 275, 286, 325, 400, 440, 520, 550, 572, 650, 715, 880, 1040, 1100, 1144, 1300, 1430, 2200, 2288, 2600, 2860, 3575, 4400, 5200, 5720, 6967, 7150, 11440, 13934, 14300, 27868, 28600, 34835, 55736, 57200, 69670, 76637, 90571, 111472, 139340, 153274, 174175, 181142, 278680, 306548, 348350, 362284, 383185, 452855, 557360, 613096, 696700, 724568, 766370, 905710, 996281, 1226192, 1393400, 1449136, 1532740, 1811420, 1915925, 1992562, 2264275, 2786800, 3065480, 3622840, 3831850, 3985124, 4528550, 4981405, 6130960, 7245680, 7663700, 7970248, 9057100, 9962810, 15327400, 15940496, 18114200, 19925620, 24907025, 30654800, 36228400, 39851240, 49814050, 79702480, 99628100, 199256200, 398512400]

約数ペア:

[(1, 398512400), (2, 199256200), (4, 99628100), (5, 79702480), (8, 49814050), (10, 39851240), (11, 36228400), (13, 30654800), (16, 24907025), (20, 19925620), (22, 18114200), (25, 15940496), (26, 15327400), (40, 9962810), (44, 9057100), (50, 7970248), (52, 7663700), (55, 7245680), (65, 6130960), (80, 4981405), (88, 4528550), (100, 3985124), (104, 3831850), (110, 3622840), (130, 3065480), (143, 2786800), (176, 2264275), (200, 1992562), (208, 1915925), (220, 1811420), (260, 1532740), (275, 1449136), (286, 1393400), (325, 1226192), (400, 996281), (440, 905710), (520, 766370), (550, 724568), (572, 696700), (650, 613096), (715, 557360), (880, 452855), (1040, 383185), (1100, 362284), (1144, 348350), (1300, 306548), (1430, 278680), (2200, 181142), (2288, 174175), (2600, 153274), (2860, 139340), (3575, 111472), (4400, 90571), (5200, 76637), (5720, 69670), (6967, 57200), (7150, 55736), (11440, 34835), (13934, 28600), (14300, 27868)]