1279912900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{34499}}^1$

素因数の和:34573

約数の個数: 72

約数和(自身を含む): 3234168000

約数和(自身を除く): 1954255100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 350, 371, 530, 700, 742, 1060, 1325, 1484, 1855, 2650, 3710, 5300, 7420, 9275, 18550, 34499, 37100, 68998, 137996, 172495, 241493, 344990, 482986, 689980, 862475, 965972, 1207465, 1724950, 1828447, 2414930, 3449900, 3656894, 4829860, 6037325, 7313788, 9142235, 12074650, 12799129, 18284470, 24149300, 25598258, 36568940, 45711175, 51196516, 63995645, 91422350, 127991290, 182844700, 255982580, 319978225, 639956450, 1279912900]

約数ペア:

[(1, 1279912900), (2, 639956450), (4, 319978225), (5, 255982580), (7, 182844700), (10, 127991290), (14, 91422350), (20, 63995645), (25, 51196516), (28, 45711175), (35, 36568940), (50, 25598258), (53, 24149300), (70, 18284470), (100, 12799129), (106, 12074650), (140, 9142235), (175, 7313788), (212, 6037325), (265, 4829860), (350, 3656894), (371, 3449900), (530, 2414930), (700, 1828447), (742, 1724950), (1060, 1207465), (1325, 965972), (1484, 862475), (1855, 689980), (2650, 482986), (3710, 344990), (5300, 241493), (7420, 172495), (9275, 137996), (18550, 68998), (34499, 37100)]