19694000

素因数分解:

$2^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 80

約数和(自身を含む): 48940320

約数和(自身を除く): 29246320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 200, 215, 229, 250, 344, 400, 430, 458, 500, 688, 860, 916, 1000, 1075, 1145, 1720, 1832, 2000, 2150, 2290, 3440, 3664, 4300, 4580, 5375, 5725, 8600, 9160, 9847, 10750, 11450, 17200, 18320, 19694, 21500, 22900, 28625, 39388, 43000, 45800, 49235, 57250, 78776, 86000, 91600, 98470, 114500, 157552, 196940, 229000, 246175, 393880, 458000, 492350, 787760, 984700, 1230875, 1969400, 2461750, 3938800, 4923500, 9847000, 19694000]

約数ペア:

[(1, 19694000), (2, 9847000), (4, 4923500), (5, 3938800), (8, 2461750), (10, 1969400), (16, 1230875), (20, 984700), (25, 787760), (40, 492350), (43, 458000), (50, 393880), (80, 246175), (86, 229000), (100, 196940), (125, 157552), (172, 114500), (200, 98470), (215, 91600), (229, 86000), (250, 78776), (344, 57250), (400, 49235), (430, 45800), (458, 43000), (500, 39388), (688, 28625), (860, 22900), (916, 21500), (1000, 19694), (1075, 18320), (1145, 17200), (1720, 11450), (1832, 10750), (2000, 9847), (2150, 9160), (2290, 8600), (3440, 5725), (3664, 5375), (4300, 4580)]