291239000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:598

約数の個数: 128

約数和(自身を含む): 752431680

約数和(自身を除く): 461192680

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, 500, 520, 521, 559, 650, 860, 1000, 1042, 1075, 1118, 1300, 1625, 1720, 2084, 2150, 2236, 2600, 2605, 2795, 3250, 4168, 4300, 4472, 5210, 5375, 5590, 6500, 6773, 8600, 10420, 10750, 11180, 13000, 13025, 13546, 13975, 20840, 21500, 22360, 22403, 26050, 27092, 27950, 33865, 43000, 44806, 52100, 54184, 55900, 65125, 67730, 69875, 89612, 104200, 111800, 112015, 130250, 135460, 139750, 169325, 179224, 224030, 260500, 270920, 279500, 291239, 338650, 448060, 521000, 559000, 560075, 582478, 677300, 846625, 896120, 1120150, 1164956, 1354600, 1456195, 1693250, 2240300, 2329912, 2800375, 2912390, 3386500, 4480600, 5600750, 5824780, 6773000, 7280975, 11201500, 11649560, 14561950, 22403000, 29123900, 36404875, 58247800, 72809750, 145619500, 291239000]

約数ペア:

[(1, 291239000), (2, 145619500), (4, 72809750), (5, 58247800), (8, 36404875), (10, 29123900), (13, 22403000), (20, 14561950), (25, 11649560), (26, 11201500), (40, 7280975), (43, 6773000), (50, 5824780), (52, 5600750), (65, 4480600), (86, 3386500), (100, 2912390), (104, 2800375), (125, 2329912), (130, 2240300), (172, 1693250), (200, 1456195), (215, 1354600), (250, 1164956), (260, 1120150), (325, 896120), (344, 846625), (430, 677300), (500, 582478), (520, 560075), (521, 559000), (559, 521000), (650, 448060), (860, 338650), (1000, 291239), (1042, 279500), (1075, 270920), (1118, 260500), (1300, 224030), (1625, 179224), (1720, 169325), (2084, 139750), (2150, 135460), (2236, 130250), (2600, 112015), (2605, 111800), (2795, 104200), (3250, 89612), (4168, 69875), (4300, 67730), (4472, 65125), (5210, 55900), (5375, 54184), (5590, 52100), (6500, 44806), (6773, 43000), (8600, 33865), (10420, 27950), (10750, 27092), (11180, 26050), (13000, 22403), (13025, 22360), (13546, 21500), (13975, 20840)]