247532360

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 568149120

約数和(自身を除く): 320616760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 131, 194, 262, 388, 485, 487, 524, 655, 776, 970, 974, 1048, 1310, 1940, 1948, 2435, 2620, 3880, 3896, 4870, 5240, 9740, 12707, 19480, 25414, 47239, 50828, 63535, 63797, 94478, 101656, 127070, 127594, 188956, 236195, 254140, 255188, 318985, 377912, 472390, 508280, 510376, 637970, 944780, 1275940, 1889560, 2551880, 6188309, 12376618, 24753236, 30941545, 49506472, 61883090, 123766180, 247532360]

約数ペア:

[(1, 247532360), (2, 123766180), (4, 61883090), (5, 49506472), (8, 30941545), (10, 24753236), (20, 12376618), (40, 6188309), (97, 2551880), (131, 1889560), (194, 1275940), (262, 944780), (388, 637970), (485, 510376), (487, 508280), (524, 472390), (655, 377912), (776, 318985), (970, 255188), (974, 254140), (1048, 236195), (1310, 188956), (1940, 127594), (1948, 127070), (2435, 101656), (2620, 94478), (3880, 63797), (3896, 63535), (4870, 50828), (5240, 47239), (9740, 25414), (12707, 19480)]