72787100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 172124400

約数和(自身を除く): 99337300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 950, 1102, 1321, 1450, 1900, 2204, 2642, 2755, 2900, 5284, 5510, 6605, 11020, 13210, 13775, 25099, 26420, 27550, 33025, 38309, 50198, 55100, 66050, 76618, 100396, 125495, 132100, 153236, 191545, 250990, 383090, 501980, 627475, 727871, 766180, 957725, 1254950, 1455742, 1915450, 2509900, 2911484, 3639355, 3830900, 7278710, 14557420, 18196775, 36393550, 72787100]

約数ペア:

[(1, 72787100), (2, 36393550), (4, 18196775), (5, 14557420), (10, 7278710), (19, 3830900), (20, 3639355), (25, 2911484), (29, 2509900), (38, 1915450), (50, 1455742), (58, 1254950), (76, 957725), (95, 766180), (100, 727871), (116, 627475), (145, 501980), (190, 383090), (290, 250990), (380, 191545), (475, 153236), (551, 132100), (580, 125495), (725, 100396), (950, 76618), (1102, 66050), (1321, 55100), (1450, 50198), (1900, 38309), (2204, 33025), (2642, 27550), (2755, 26420), (2900, 25099), (5284, 13775), (5510, 13210), (6605, 11020)]