213661460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 479867976

約数和(自身を除く): 266206516

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 293, 361, 380, 404, 505, 586, 722, 1010, 1172, 1444, 1465, 1805, 1919, 2020, 2930, 3610, 3838, 5567, 5860, 7220, 7676, 9595, 11134, 19190, 22268, 27835, 29593, 36461, 38380, 55670, 59186, 72922, 105773, 111340, 118372, 145844, 147965, 182305, 211546, 295930, 364610, 423092, 528865, 562267, 591860, 729220, 1057730, 1124534, 2115460, 2249068, 2811335, 5622670, 10683073, 11245340, 21366146, 42732292, 53415365, 106830730, 213661460]

約数ペア:

[(1, 213661460), (2, 106830730), (4, 53415365), (5, 42732292), (10, 21366146), (19, 11245340), (20, 10683073), (38, 5622670), (76, 2811335), (95, 2249068), (101, 2115460), (190, 1124534), (202, 1057730), (293, 729220), (361, 591860), (380, 562267), (404, 528865), (505, 423092), (586, 364610), (722, 295930), (1010, 211546), (1172, 182305), (1444, 147965), (1465, 145844), (1805, 118372), (1919, 111340), (2020, 105773), (2930, 72922), (3610, 59186), (3838, 55670), (5567, 38380), (5860, 36461), (7220, 29593), (7676, 27835), (9595, 22268), (11134, 19190)]