291681880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4549}}^1$

素因数の和:4796

約数の個数: 64

約数和(自身を含む): 753480000

約数和(自身を除く): 461798120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 916, 1145, 1603, 1832, 2290, 3206, 4549, 4580, 6412, 8015, 9098, 9160, 12824, 16030, 18196, 22745, 31843, 32060, 36392, 45490, 63686, 64120, 90980, 127372, 159215, 181960, 254744, 318430, 636860, 1041721, 1273720, 2083442, 4166884, 5208605, 7292047, 8333768, 10417210, 14584094, 20834420, 29168188, 36460235, 41668840, 58336376, 72920470, 145840940, 291681880]

約数ペア:

[(1, 291681880), (2, 145840940), (4, 72920470), (5, 58336376), (7, 41668840), (8, 36460235), (10, 29168188), (14, 20834420), (20, 14584094), (28, 10417210), (35, 8333768), (40, 7292047), (56, 5208605), (70, 4166884), (140, 2083442), (229, 1273720), (280, 1041721), (458, 636860), (916, 318430), (1145, 254744), (1603, 181960), (1832, 159215), (2290, 127372), (3206, 90980), (4549, 64120), (4580, 63686), (6412, 45490), (8015, 36392), (9098, 32060), (9160, 31843), (12824, 22745), (16030, 18196)]