28707100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 67964400

約数和(自身を除く): 39257300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 521, 551, 580, 725, 950, 1042, 1102, 1450, 1900, 2084, 2204, 2605, 2755, 2900, 5210, 5510, 9899, 10420, 11020, 13025, 13775, 15109, 19798, 26050, 27550, 30218, 39596, 49495, 52100, 55100, 60436, 75545, 98990, 151090, 197980, 247475, 287071, 302180, 377725, 494950, 574142, 755450, 989900, 1148284, 1435355, 1510900, 2870710, 5741420, 7176775, 14353550, 28707100]

約数ペア:

[(1, 28707100), (2, 14353550), (4, 7176775), (5, 5741420), (10, 2870710), (19, 1510900), (20, 1435355), (25, 1148284), (29, 989900), (38, 755450), (50, 574142), (58, 494950), (76, 377725), (95, 302180), (100, 287071), (116, 247475), (145, 197980), (190, 151090), (290, 98990), (380, 75545), (475, 60436), (521, 55100), (551, 52100), (580, 49495), (725, 39596), (950, 30218), (1042, 27550), (1102, 26050), (1450, 19798), (1900, 15109), (2084, 13775), (2204, 13025), (2605, 11020), (2755, 10420), (2900, 9899), (5210, 5510)]