208997880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19139}}^1$

素因数の和:19173

約数の個数: 128

約数和(自身を含む): 771724800

約数和(自身を除く): 562726920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19139, 38278, 57417, 76556, 95695, 114834, 133973, 153112, 191390, 229668, 248807, 267946, 287085, 382780, 401919, 459336, 497614, 535892, 574170, 669865, 746421, 765560, 803838, 995228, 1071784, 1148340, 1244035, 1339730, 1492842, 1607676, 1741649, 1990456, 2009595, 2296680, 2488070, 2679460, 2985684, 3215352, 3483298, 3732105, 4019190, 4976140, 5224947, 5358920, 5971368, 6966596, 7464210, 8038380, 8708245, 9952280, 10449894, 13933192, 14928420, 16076760, 17416490, 20899788, 26124735, 29856840, 34832980, 41799576, 52249470, 69665960, 104498940, 208997880]

約数ペア:

[(1, 208997880), (2, 104498940), (3, 69665960), (4, 52249470), (5, 41799576), (6, 34832980), (7, 29856840), (8, 26124735), (10, 20899788), (12, 17416490), (13, 16076760), (14, 14928420), (15, 13933192), (20, 10449894), (21, 9952280), (24, 8708245), (26, 8038380), (28, 7464210), (30, 6966596), (35, 5971368), (39, 5358920), (40, 5224947), (42, 4976140), (52, 4019190), (56, 3732105), (60, 3483298), (65, 3215352), (70, 2985684), (78, 2679460), (84, 2488070), (91, 2296680), (104, 2009595), (105, 1990456), (120, 1741649), (130, 1607676), (140, 1492842), (156, 1339730), (168, 1244035), (182, 1148340), (195, 1071784), (210, 995228), (260, 803838), (273, 765560), (280, 746421), (312, 669865), (364, 574170), (390, 535892), (420, 497614), (455, 459336), (520, 401919), (546, 382780), (728, 287085), (780, 267946), (840, 248807), (910, 229668), (1092, 191390), (1365, 153112), (1560, 133973), (1820, 114834), (2184, 95695), (2730, 76556), (3640, 57417), (5460, 38278), (10920, 19139)]