290686275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 571441104

約数和(自身を除く): 280754829

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 257, 275, 457, 495, 771, 825, 1285, 1371, 2285, 2313, 2475, 2827, 3855, 4113, 5027, 6425, 6855, 8481, 11425, 11565, 14135, 15081, 19275, 20565, 25135, 25443, 34275, 42405, 45243, 57825, 70675, 75405, 102825, 117449, 125675, 127215, 212025, 226215, 352347, 377025, 587245, 636075, 1057041, 1131075, 1291939, 1761735, 2936225, 3875817, 5285205, 6459695, 8808675, 11627451, 19379085, 26426025, 32298475, 58137255, 96895425, 290686275]

約数ペア:

[(1, 290686275), (3, 96895425), (5, 58137255), (9, 32298475), (11, 26426025), (15, 19379085), (25, 11627451), (33, 8808675), (45, 6459695), (55, 5285205), (75, 3875817), (99, 2936225), (165, 1761735), (225, 1291939), (257, 1131075), (275, 1057041), (457, 636075), (495, 587245), (771, 377025), (825, 352347), (1285, 226215), (1371, 212025), (2285, 127215), (2313, 125675), (2475, 117449), (2827, 102825), (3855, 75405), (4113, 70675), (5027, 57825), (6425, 45243), (6855, 42405), (8481, 34275), (11425, 25443), (11565, 25135), (14135, 20565), (15081, 19275)]