87002900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 205716000

約数和(自身を除く): 118713100

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, 1450, 1579, 1900, 2204, 2755, 2900, 3158, 5510, 6316, 7895, 11020, 13775, 15790, 27550, 30001, 31580, 39475, 45791, 55100, 60002, 78950, 91582, 120004, 150005, 157900, 183164, 228955, 300010, 457910, 600020, 750025, 870029, 915820, 1144775, 1500050, 1740058, 2289550, 3000100, 3480116, 4350145, 4579100, 8700290, 17400580, 21750725, 43501450, 87002900]

約数ペア:

[(1, 87002900), (2, 43501450), (4, 21750725), (5, 17400580), (10, 8700290), (19, 4579100), (20, 4350145), (25, 3480116), (29, 3000100), (38, 2289550), (50, 1740058), (58, 1500050), (76, 1144775), (95, 915820), (100, 870029), (116, 750025), (145, 600020), (190, 457910), (290, 300010), (380, 228955), (475, 183164), (551, 157900), (580, 150005), (725, 120004), (950, 91582), (1102, 78950), (1450, 60002), (1579, 55100), (1900, 45791), (2204, 39475), (2755, 31580), (2900, 30001), (3158, 27550), (5510, 15790), (6316, 13775), (7895, 11020)]