870149230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 1661700096

約数和(自身を除く): 791550866

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 211, 251, 265, 310, 422, 502, 530, 1055, 1255, 1643, 2110, 2510, 3286, 6541, 7781, 8215, 11183, 13082, 13303, 15562, 16430, 22366, 26606, 32705, 38905, 52961, 55915, 65410, 66515, 77810, 105922, 111830, 133030, 264805, 346673, 412393, 529610, 693346, 824786, 1641791, 1733365, 2061965, 2806933, 3283582, 3466730, 4123930, 5613866, 8208955, 14034665, 16417910, 28069330, 87014923, 174029846, 435074615, 870149230]

約数ペア:

[(1, 870149230), (2, 435074615), (5, 174029846), (10, 87014923), (31, 28069330), (53, 16417910), (62, 14034665), (106, 8208955), (155, 5613866), (211, 4123930), (251, 3466730), (265, 3283582), (310, 2806933), (422, 2061965), (502, 1733365), (530, 1641791), (1055, 824786), (1255, 693346), (1643, 529610), (2110, 412393), (2510, 346673), (3286, 264805), (6541, 133030), (7781, 111830), (8215, 105922), (11183, 77810), (13082, 66515), (13303, 65410), (15562, 55915), (16430, 52961), (22366, 38905), (26606, 32705)]