77882900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 179676000

約数和(自身を除く): 101793100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 179, 190, 229, 358, 380, 458, 475, 716, 895, 916, 950, 1145, 1790, 1900, 2290, 3401, 3580, 4351, 4475, 4580, 5725, 6802, 8702, 8950, 11450, 13604, 17005, 17404, 17900, 21755, 22900, 34010, 40991, 43510, 68020, 81982, 85025, 87020, 108775, 163964, 170050, 204955, 217550, 340100, 409910, 435100, 778829, 819820, 1024775, 1557658, 2049550, 3115316, 3894145, 4099100, 7788290, 15576580, 19470725, 38941450, 77882900]

約数ペア:

[(1, 77882900), (2, 38941450), (4, 19470725), (5, 15576580), (10, 7788290), (19, 4099100), (20, 3894145), (25, 3115316), (38, 2049550), (50, 1557658), (76, 1024775), (95, 819820), (100, 778829), (179, 435100), (190, 409910), (229, 340100), (358, 217550), (380, 204955), (458, 170050), (475, 163964), (716, 108775), (895, 87020), (916, 85025), (950, 81982), (1145, 68020), (1790, 43510), (1900, 40991), (2290, 34010), (3401, 22900), (3580, 21755), (4351, 17900), (4475, 17404), (4580, 17005), (5725, 13604), (6802, 11450), (8702, 8950)]