201810980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3631}}^1$

素因数の和:4044

約数の個数: 48

約数和(自身を含む): 485700096

約数和(自身を除く): 283889116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3631, 3970, 5558, 7262, 7940, 11116, 13895, 14524, 18155, 25417, 27790, 36310, 50834, 55580, 72620, 101668, 127085, 254170, 508340, 1441507, 2883014, 5766028, 7207535, 10090549, 14415070, 20181098, 28830140, 40362196, 50452745, 100905490, 201810980]

約数ペア:

[(1, 201810980), (2, 100905490), (4, 50452745), (5, 40362196), (7, 28830140), (10, 20181098), (14, 14415070), (20, 10090549), (28, 7207535), (35, 5766028), (70, 2883014), (140, 1441507), (397, 508340), (794, 254170), (1588, 127085), (1985, 101668), (2779, 72620), (3631, 55580), (3970, 50834), (5558, 36310), (7262, 27790), (7940, 25417), (11116, 18155), (13895, 14524)]