208608530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 441843984

約数和(自身を除く): 233235454

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 137, 169, 170, 221, 265, 274, 338, 442, 530, 685, 689, 845, 901, 1105, 1370, 1378, 1690, 1781, 1802, 2210, 2329, 2873, 3445, 3562, 4505, 4658, 5746, 6890, 7261, 8905, 8957, 9010, 11645, 11713, 14365, 14522, 17810, 17914, 23153, 23290, 23426, 28730, 30277, 36305, 44785, 46306, 58565, 60554, 72610, 89570, 94393, 115765, 117130, 123437, 151385, 152269, 188786, 231530, 246874, 302770, 304538, 393601, 471965, 617185, 761345, 787202, 943930, 1227109, 1234370, 1522690, 1604681, 1968005, 2454218, 3209362, 3936010, 6135545, 8023405, 12271090, 16046810, 20860853, 41721706, 104304265, 208608530]

約数ペア:

[(1, 208608530), (2, 104304265), (5, 41721706), (10, 20860853), (13, 16046810), (17, 12271090), (26, 8023405), (34, 6135545), (53, 3936010), (65, 3209362), (85, 2454218), (106, 1968005), (130, 1604681), (137, 1522690), (169, 1234370), (170, 1227109), (221, 943930), (265, 787202), (274, 761345), (338, 617185), (442, 471965), (530, 393601), (685, 304538), (689, 302770), (845, 246874), (901, 231530), (1105, 188786), (1370, 152269), (1378, 151385), (1690, 123437), (1781, 117130), (1802, 115765), (2210, 94393), (2329, 89570), (2873, 72610), (3445, 60554), (3562, 58565), (4505, 46306), (4658, 44785), (5746, 36305), (6890, 30277), (7261, 28730), (8905, 23426), (8957, 23290), (9010, 23153), (11645, 17914), (11713, 17810), (14365, 14522)]