215681180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5801}}^1$

素因数の和:5847

約数の個数: 72

約数和(自身を含む): 535130064

約数和(自身を除く): 319448884

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 5801, 7436, 9295, 11602, 18590, 23204, 29005, 37180, 58010, 63811, 75413, 116020, 127622, 150826, 255244, 301652, 319055, 377065, 638110, 754130, 829543, 980369, 1276220, 1508260, 1659086, 1960738, 3318172, 3921476, 4147715, 4901845, 8295430, 9803690, 10784059, 16590860, 19607380, 21568118, 43136236, 53920295, 107840590, 215681180]

約数ペア:

[(1, 215681180), (2, 107840590), (4, 53920295), (5, 43136236), (10, 21568118), (11, 19607380), (13, 16590860), (20, 10784059), (22, 9803690), (26, 8295430), (44, 4901845), (52, 4147715), (55, 3921476), (65, 3318172), (110, 1960738), (130, 1659086), (143, 1508260), (169, 1276220), (220, 980369), (260, 829543), (286, 754130), (338, 638110), (572, 377065), (676, 319055), (715, 301652), (845, 255244), (1430, 150826), (1690, 127622), (1859, 116020), (2860, 75413), (3380, 63811), (3718, 58010), (5801, 37180), (7436, 29005), (9295, 23204), (11602, 18590)]