27985000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 68181300

約数和(自身を除く): 40196300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 193, 200, 232, 250, 290, 386, 500, 580, 625, 725, 772, 965, 1000, 1160, 1250, 1450, 1544, 1930, 2500, 2900, 3625, 3860, 4825, 5000, 5597, 5800, 7250, 7720, 9650, 11194, 14500, 18125, 19300, 22388, 24125, 27985, 29000, 36250, 38600, 44776, 48250, 55970, 72500, 96500, 111940, 120625, 139925, 145000, 193000, 223880, 241250, 279850, 482500, 559700, 699625, 965000, 1119400, 1399250, 2798500, 3498125, 5597000, 6996250, 13992500, 27985000]

約数ペア:

[(1, 27985000), (2, 13992500), (4, 6996250), (5, 5597000), (8, 3498125), (10, 2798500), (20, 1399250), (25, 1119400), (29, 965000), (40, 699625), (50, 559700), (58, 482500), (100, 279850), (116, 241250), (125, 223880), (145, 193000), (193, 145000), (200, 139925), (232, 120625), (250, 111940), (290, 96500), (386, 72500), (500, 55970), (580, 48250), (625, 44776), (725, 38600), (772, 36250), (965, 29000), (1000, 27985), (1160, 24125), (1250, 22388), (1450, 19300), (1544, 18125), (1930, 14500), (2500, 11194), (2900, 9650), (3625, 7720), (3860, 7250), (4825, 5800), (5000, 5597)]