173344240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 429561792

約数和(自身を除く): 256217552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 197, 272, 340, 394, 647, 680, 788, 985, 1294, 1360, 1576, 1970, 2588, 3152, 3235, 3349, 3940, 5176, 6470, 6698, 7880, 10352, 10999, 12940, 13396, 15760, 16745, 21998, 25880, 26792, 33490, 43996, 51760, 53584, 54995, 66980, 87992, 109990, 127459, 133960, 175984, 219980, 254918, 267920, 439960, 509836, 637295, 879920, 1019672, 1274590, 2039344, 2166803, 2549180, 4333606, 5098360, 8667212, 10196720, 10834015, 17334424, 21668030, 34668848, 43336060, 86672120, 173344240]

約数ペア:

[(1, 173344240), (2, 86672120), (4, 43336060), (5, 34668848), (8, 21668030), (10, 17334424), (16, 10834015), (17, 10196720), (20, 8667212), (34, 5098360), (40, 4333606), (68, 2549180), (80, 2166803), (85, 2039344), (136, 1274590), (170, 1019672), (197, 879920), (272, 637295), (340, 509836), (394, 439960), (647, 267920), (680, 254918), (788, 219980), (985, 175984), (1294, 133960), (1360, 127459), (1576, 109990), (1970, 87992), (2588, 66980), (3152, 54995), (3235, 53584), (3349, 51760), (3940, 43996), (5176, 33490), (6470, 26792), (6698, 25880), (7880, 21998), (10352, 16745), (10999, 15760), (12940, 13396)]