84740980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4409}}^1$

素因数の和:4480

約数の個数: 36

約数和(自身を含む): 183923460

約数和(自身を除く): 99182480

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4409, 4805, 8818, 9610, 17636, 19220, 22045, 44090, 88180, 136679, 273358, 546716, 683395, 1366790, 2733580, 4237049, 8474098, 16948196, 21185245, 42370490, 84740980]

約数ペア:

[(1, 84740980), (2, 42370490), (4, 21185245), (5, 16948196), (10, 8474098), (20, 4237049), (31, 2733580), (62, 1366790), (124, 683395), (155, 546716), (310, 273358), (620, 136679), (961, 88180), (1922, 44090), (3844, 22045), (4409, 19220), (4805, 17636), (8818, 9610)]