87447220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2801}}^1$

素因数の和:3040

約数の個数: 48

約数和(自身を含む): 210889728

約数和(自身を除く): 123442508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 2801, 3122, 4460, 5602, 6244, 7805, 11204, 14005, 15610, 19607, 28010, 31220, 39214, 56020, 78428, 98035, 196070, 392140, 624623, 1249246, 2498492, 3123115, 4372361, 6246230, 8744722, 12492460, 17489444, 21861805, 43723610, 87447220]

約数ペア:

[(1, 87447220), (2, 43723610), (4, 21861805), (5, 17489444), (7, 12492460), (10, 8744722), (14, 6246230), (20, 4372361), (28, 3123115), (35, 2498492), (70, 1249246), (140, 624623), (223, 392140), (446, 196070), (892, 98035), (1115, 78428), (1561, 56020), (2230, 39214), (2801, 31220), (3122, 28010), (4460, 19607), (5602, 15610), (6244, 14005), (7805, 11204)]