245635550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 72

約数和(自身を含む): 493361280

約数和(自身を除く): 247725730

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 170, 178, 191, 289, 382, 425, 445, 578, 850, 890, 955, 1445, 1513, 1910, 2225, 2890, 3026, 3247, 4450, 4775, 6494, 7225, 7565, 9550, 14450, 15130, 16235, 16999, 25721, 32470, 33998, 37825, 51442, 55199, 75650, 81175, 84995, 110398, 128605, 162350, 169990, 257210, 275995, 288983, 424975, 551990, 577966, 643025, 849950, 1286050, 1379975, 1444915, 2759950, 2889830, 4912711, 7224575, 9825422, 14449150, 24563555, 49127110, 122817775, 245635550]

約数ペア:

[(1, 245635550), (2, 122817775), (5, 49127110), (10, 24563555), (17, 14449150), (25, 9825422), (34, 7224575), (50, 4912711), (85, 2889830), (89, 2759950), (170, 1444915), (178, 1379975), (191, 1286050), (289, 849950), (382, 643025), (425, 577966), (445, 551990), (578, 424975), (850, 288983), (890, 275995), (955, 257210), (1445, 169990), (1513, 162350), (1910, 128605), (2225, 110398), (2890, 84995), (3026, 81175), (3247, 75650), (4450, 55199), (4775, 51442), (6494, 37825), (7225, 33998), (7565, 32470), (9550, 25721), (14450, 16999), (15130, 16235)]