211917060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:787

約数の個数: 120

約数和(自身を含む): 668689560

約数和(自身を除く): 456772500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 257, 270, 324, 405, 509, 514, 540, 771, 810, 1018, 1028, 1285, 1527, 1542, 1620, 2036, 2313, 2545, 2570, 3054, 3084, 3855, 4581, 4626, 5090, 5140, 6108, 6939, 7635, 7710, 9162, 9252, 10180, 11565, 13743, 13878, 15270, 15420, 18324, 20817, 22905, 23130, 27486, 27756, 30540, 34695, 41229, 41634, 45810, 46260, 54972, 68715, 69390, 82458, 83268, 91620, 104085, 130813, 137430, 138780, 164916, 206145, 208170, 261626, 274860, 392439, 412290, 416340, 523252, 654065, 784878, 824580, 1177317, 1308130, 1569756, 1962195, 2354634, 2616260, 3531951, 3924390, 4709268, 5886585, 7063902, 7848780, 10595853, 11773170, 14127804, 17659755, 21191706, 23546340, 35319510, 42383412, 52979265, 70639020, 105958530, 211917060]

約数ペア:

[(1, 211917060), (2, 105958530), (3, 70639020), (4, 52979265), (5, 42383412), (6, 35319510), (9, 23546340), (10, 21191706), (12, 17659755), (15, 14127804), (18, 11773170), (20, 10595853), (27, 7848780), (30, 7063902), (36, 5886585), (45, 4709268), (54, 3924390), (60, 3531951), (81, 2616260), (90, 2354634), (108, 1962195), (135, 1569756), (162, 1308130), (180, 1177317), (257, 824580), (270, 784878), (324, 654065), (405, 523252), (509, 416340), (514, 412290), (540, 392439), (771, 274860), (810, 261626), (1018, 208170), (1028, 206145), (1285, 164916), (1527, 138780), (1542, 137430), (1620, 130813), (2036, 104085), (2313, 91620), (2545, 83268), (2570, 82458), (3054, 69390), (3084, 68715), (3855, 54972), (4581, 46260), (4626, 45810), (5090, 41634), (5140, 41229), (6108, 34695), (6939, 30540), (7635, 27756), (7710, 27486), (9162, 23130), (9252, 22905), (10180, 20817), (11565, 18324), (13743, 15420), (13878, 15270)]