320071180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{111913}}^1$

素因数の和:111946

約数の個数: 48

約数和(自身を含む): 789665184

約数和(自身を除く): 469594004

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 111913, 223826, 447652, 559565, 1119130, 1231043, 1454869, 2238260, 2462086, 2909738, 4924172, 5819476, 6155215, 7274345, 12310430, 14548690, 16003559, 24620860, 29097380, 32007118, 64014236, 80017795, 160035590, 320071180]

約数ペア:

[(1, 320071180), (2, 160035590), (4, 80017795), (5, 64014236), (10, 32007118), (11, 29097380), (13, 24620860), (20, 16003559), (22, 14548690), (26, 12310430), (44, 7274345), (52, 6155215), (55, 5819476), (65, 4924172), (110, 2909738), (130, 2462086), (143, 2238260), (220, 1454869), (260, 1231043), (286, 1119130), (572, 559565), (715, 447652), (1430, 223826), (2860, 111913)]