29915000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 72726720

約数和(自身を除く): 42811720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 193, 200, 248, 250, 310, 386, 500, 620, 625, 772, 775, 965, 1000, 1240, 1250, 1544, 1550, 1930, 2500, 3100, 3860, 3875, 4825, 5000, 5983, 6200, 7720, 7750, 9650, 11966, 15500, 19300, 19375, 23932, 24125, 29915, 31000, 38600, 38750, 47864, 48250, 59830, 77500, 96500, 119660, 120625, 149575, 155000, 193000, 239320, 241250, 299150, 482500, 598300, 747875, 965000, 1196600, 1495750, 2991500, 3739375, 5983000, 7478750, 14957500, 29915000]

約数ペア:

[(1, 29915000), (2, 14957500), (4, 7478750), (5, 5983000), (8, 3739375), (10, 2991500), (20, 1495750), (25, 1196600), (31, 965000), (40, 747875), (50, 598300), (62, 482500), (100, 299150), (124, 241250), (125, 239320), (155, 193000), (193, 155000), (200, 149575), (248, 120625), (250, 119660), (310, 96500), (386, 77500), (500, 59830), (620, 48250), (625, 47864), (772, 38750), (775, 38600), (965, 31000), (1000, 29915), (1240, 24125), (1250, 23932), (1544, 19375), (1550, 19300), (1930, 15500), (2500, 11966), (3100, 9650), (3860, 7750), (3875, 7720), (4825, 6200), (5000, 5983)]