408059600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:937

約数の個数: 120

約数和(自身を含む): 1067978520

約数和(自身を除く): 659918920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 97, 100, 104, 130, 194, 200, 208, 260, 325, 388, 400, 485, 520, 650, 776, 809, 970, 1040, 1261, 1300, 1552, 1618, 1940, 2425, 2522, 2600, 3236, 3880, 4045, 4850, 5044, 5200, 6305, 6472, 7760, 8090, 9700, 10088, 10517, 12610, 12944, 16180, 19400, 20176, 20225, 21034, 25220, 31525, 32360, 38800, 40450, 42068, 50440, 52585, 63050, 64720, 78473, 80900, 84136, 100880, 105170, 126100, 156946, 161800, 168272, 210340, 252200, 262925, 313892, 323600, 392365, 420680, 504400, 525850, 627784, 784730, 841360, 1020149, 1051700, 1255568, 1569460, 1961825, 2040298, 2103400, 3138920, 3923650, 4080596, 4206800, 5100745, 6277840, 7847300, 8161192, 10201490, 15694600, 16322384, 20402980, 25503725, 31389200, 40805960, 51007450, 81611920, 102014900, 204029800, 408059600]

約数ペア:

[(1, 408059600), (2, 204029800), (4, 102014900), (5, 81611920), (8, 51007450), (10, 40805960), (13, 31389200), (16, 25503725), (20, 20402980), (25, 16322384), (26, 15694600), (40, 10201490), (50, 8161192), (52, 7847300), (65, 6277840), (80, 5100745), (97, 4206800), (100, 4080596), (104, 3923650), (130, 3138920), (194, 2103400), (200, 2040298), (208, 1961825), (260, 1569460), (325, 1255568), (388, 1051700), (400, 1020149), (485, 841360), (520, 784730), (650, 627784), (776, 525850), (809, 504400), (970, 420680), (1040, 392365), (1261, 323600), (1300, 313892), (1552, 262925), (1618, 252200), (1940, 210340), (2425, 168272), (2522, 161800), (2600, 156946), (3236, 126100), (3880, 105170), (4045, 100880), (4850, 84136), (5044, 80900), (5200, 78473), (6305, 64720), (6472, 63050), (7760, 52585), (8090, 50440), (9700, 42068), (10088, 40450), (10517, 38800), (12610, 32360), (12944, 31525), (16180, 25220), (19400, 21034), (20176, 20225)]