388487060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{6761}}^1$

素因数の和:6813

約数の個数: 72

約数和(自身を含む): 935509176

約数和(自身を除く): 547022116

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 4420, 5746, 6761, 11492, 13522, 14365, 27044, 28730, 33805, 57460, 67610, 87893, 114937, 135220, 175786, 229874, 351572, 439465, 459748, 574685, 878930, 1142609, 1149370, 1494181, 1757860, 2285218, 2298740, 2988362, 4570436, 5713045, 5976724, 7470905, 11426090, 14941810, 19424353, 22852180, 29883620, 38848706, 77697412, 97121765, 194243530, 388487060]

約数ペア:

[(1, 388487060), (2, 194243530), (4, 97121765), (5, 77697412), (10, 38848706), (13, 29883620), (17, 22852180), (20, 19424353), (26, 14941810), (34, 11426090), (52, 7470905), (65, 5976724), (68, 5713045), (85, 4570436), (130, 2988362), (169, 2298740), (170, 2285218), (221, 1757860), (260, 1494181), (338, 1149370), (340, 1142609), (442, 878930), (676, 574685), (845, 459748), (884, 439465), (1105, 351572), (1690, 229874), (2210, 175786), (2873, 135220), (3380, 114937), (4420, 87893), (5746, 67610), (6761, 57460), (11492, 33805), (13522, 28730), (14365, 27044)]