157730440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2357}}^1$

素因数の和:2614

約数の個数: 64

約数和(自身を含む): 407462400

約数和(自身を除く): 249731960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2357, 2390, 3346, 4714, 4780, 6692, 8365, 9428, 9560, 11785, 13384, 16499, 16730, 18856, 23570, 32998, 33460, 47140, 65996, 66920, 82495, 94280, 131992, 164990, 329980, 563323, 659960, 1126646, 2253292, 2816615, 3943261, 4506584, 5633230, 7886522, 11266460, 15773044, 19716305, 22532920, 31546088, 39432610, 78865220, 157730440]

約数ペア:

[(1, 157730440), (2, 78865220), (4, 39432610), (5, 31546088), (7, 22532920), (8, 19716305), (10, 15773044), (14, 11266460), (20, 7886522), (28, 5633230), (35, 4506584), (40, 3943261), (56, 2816615), (70, 2253292), (140, 1126646), (239, 659960), (280, 563323), (478, 329980), (956, 164990), (1195, 131992), (1673, 94280), (1912, 82495), (2357, 66920), (2390, 65996), (3346, 47140), (4714, 33460), (4780, 32998), (6692, 23570), (8365, 18856), (9428, 16730), (9560, 16499), (11785, 13384)]