208068525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 475862400

約数和(自身を除く): 267793875

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 25, 35, 45, 51, 57, 63, 75, 85, 95, 105, 119, 133, 153, 171, 175, 225, 255, 285, 315, 323, 357, 399, 409, 425, 475, 525, 595, 665, 765, 855, 969, 1071, 1197, 1227, 1275, 1425, 1575, 1615, 1785, 1995, 2045, 2261, 2863, 2907, 2975, 3325, 3681, 3825, 4275, 4845, 5355, 5985, 6135, 6783, 6953, 7771, 8075, 8589, 8925, 9975, 10225, 11305, 14315, 14535, 18405, 20349, 20859, 23313, 24225, 25767, 26775, 29925, 30675, 33915, 34765, 38855, 42945, 48671, 54397, 56525, 62577, 69939, 71575, 72675, 92025, 101745, 104295, 116565, 128835, 132107, 146013, 163191, 169575, 173825, 194275, 214725, 243355, 271985, 312885, 349695, 396321, 438039, 489573, 508725, 521475, 582825, 644175, 660535, 730065, 815955, 924749, 1188963, 1216775, 1359925, 1564425, 1748475, 1981605, 2190195, 2447865, 2774247, 3302675, 3650325, 4079775, 4623745, 5944815, 8322741, 9908025, 10950975, 12239325, 13871235, 23118725, 29724075, 41613705, 69356175, 208068525]

約数ペア:

[(1, 208068525), (3, 69356175), (5, 41613705), (7, 29724075), (9, 23118725), (15, 13871235), (17, 12239325), (19, 10950975), (21, 9908025), (25, 8322741), (35, 5944815), (45, 4623745), (51, 4079775), (57, 3650325), (63, 3302675), (75, 2774247), (85, 2447865), (95, 2190195), (105, 1981605), (119, 1748475), (133, 1564425), (153, 1359925), (171, 1216775), (175, 1188963), (225, 924749), (255, 815955), (285, 730065), (315, 660535), (323, 644175), (357, 582825), (399, 521475), (409, 508725), (425, 489573), (475, 438039), (525, 396321), (595, 349695), (665, 312885), (765, 271985), (855, 243355), (969, 214725), (1071, 194275), (1197, 173825), (1227, 169575), (1275, 163191), (1425, 146013), (1575, 132107), (1615, 128835), (1785, 116565), (1995, 104295), (2045, 101745), (2261, 92025), (2863, 72675), (2907, 71575), (2975, 69939), (3325, 62577), (3681, 56525), (3825, 54397), (4275, 48671), (4845, 42945), (5355, 38855), (5985, 34765), (6135, 33915), (6783, 30675), (6953, 29925), (7771, 26775), (8075, 25767), (8589, 24225), (8925, 23313), (9975, 20859), (10225, 20349), (11305, 18405), (14315, 14535)]