209097840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1847

約数の個数: 160

約数和(自身を含む): 751666176

約数和(自身を除く): 542568336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1680, 1704, 1753, 1988, 2130, 2485, 2840, 2982, 3408, 3506, 3976, 4260, 4970, 5259, 5680, 5964, 7012, 7455, 7952, 8520, 8765, 9940, 10518, 11928, 12271, 14024, 14910, 17040, 17530, 19880, 21036, 23856, 24542, 26295, 28048, 29820, 35060, 36813, 39760, 42072, 49084, 52590, 59640, 61355, 70120, 73626, 84144, 98168, 105180, 119280, 122710, 124463, 140240, 147252, 184065, 196336, 210360, 245420, 248926, 294504, 368130, 373389, 420720, 490840, 497852, 589008, 622315, 736260, 746778, 871241, 981680, 995704, 1244630, 1472520, 1493556, 1742482, 1866945, 1991408, 2489260, 2613723, 2945040, 2987112, 3484964, 3733890, 4356205, 4978520, 5227446, 5974224, 6969928, 7467780, 8712410, 9957040, 10454892, 13068615, 13939856, 14935560, 17424820, 20909784, 26137230, 29871120, 34849640, 41819568, 52274460, 69699280, 104548920, 209097840]

約数ペア:

[(1, 209097840), (2, 104548920), (3, 69699280), (4, 52274460), (5, 41819568), (6, 34849640), (7, 29871120), (8, 26137230), (10, 20909784), (12, 17424820), (14, 14935560), (15, 13939856), (16, 13068615), (20, 10454892), (21, 9957040), (24, 8712410), (28, 7467780), (30, 6969928), (35, 5974224), (40, 5227446), (42, 4978520), (48, 4356205), (56, 3733890), (60, 3484964), (70, 2987112), (71, 2945040), (80, 2613723), (84, 2489260), (105, 1991408), (112, 1866945), (120, 1742482), (140, 1493556), (142, 1472520), (168, 1244630), (210, 995704), (213, 981680), (240, 871241), (280, 746778), (284, 736260), (336, 622315), (355, 589008), (420, 497852), (426, 490840), (497, 420720), (560, 373389), (568, 368130), (710, 294504), (840, 248926), (852, 245420), (994, 210360), (1065, 196336), (1136, 184065), (1420, 147252), (1491, 140240), (1680, 124463), (1704, 122710), (1753, 119280), (1988, 105180), (2130, 98168), (2485, 84144), (2840, 73626), (2982, 70120), (3408, 61355), (3506, 59640), (3976, 52590), (4260, 49084), (4970, 42072), (5259, 39760), (5680, 36813), (5964, 35060), (7012, 29820), (7455, 28048), (7952, 26295), (8520, 24542), (8765, 23856), (9940, 21036), (10518, 19880), (11928, 17530), (12271, 17040), (14024, 14910)]