84660380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19507}}^1$

素因数の和:19554

約数の個数: 48

約数和(自身を含む): 209750016

約数和(自身を除く): 125089636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19507, 39014, 78028, 97535, 136549, 195070, 273098, 390140, 546196, 604717, 682745, 1209434, 1365490, 2418868, 2730980, 3023585, 4233019, 6047170, 8466038, 12094340, 16932076, 21165095, 42330190, 84660380]

約数ペア:

[(1, 84660380), (2, 42330190), (4, 21165095), (5, 16932076), (7, 12094340), (10, 8466038), (14, 6047170), (20, 4233019), (28, 3023585), (31, 2730980), (35, 2418868), (62, 1365490), (70, 1209434), (124, 682745), (140, 604717), (155, 546196), (217, 390140), (310, 273098), (434, 195070), (620, 136549), (868, 97535), (1085, 78028), (2170, 39014), (4340, 19507)]