189604620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5347}}^1$

素因数の和:5559

約数の個数: 72

約数和(自身を含む): 578161584

約数和(自身を除く): 388556964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5347, 5910, 7092, 8865, 10694, 11820, 16041, 17730, 21388, 26735, 32082, 35460, 48123, 53470, 64164, 80205, 96246, 106940, 160410, 192492, 240615, 320820, 481230, 962460, 1053359, 2106718, 3160077, 4213436, 5266795, 6320154, 9480231, 10533590, 12640308, 15800385, 18960462, 21067180, 31600770, 37920924, 47401155, 63201540, 94802310, 189604620]

約数ペア:

[(1, 189604620), (2, 94802310), (3, 63201540), (4, 47401155), (5, 37920924), (6, 31600770), (9, 21067180), (10, 18960462), (12, 15800385), (15, 12640308), (18, 10533590), (20, 9480231), (30, 6320154), (36, 5266795), (45, 4213436), (60, 3160077), (90, 2106718), (180, 1053359), (197, 962460), (394, 481230), (591, 320820), (788, 240615), (985, 192492), (1182, 160410), (1773, 106940), (1970, 96246), (2364, 80205), (2955, 64164), (3546, 53470), (3940, 48123), (5347, 35460), (5910, 32082), (7092, 26735), (8865, 21388), (10694, 17730), (11820, 16041)]