209549480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 192

約数和(自身を含む): 613137600

約数和(自身を除く): 403588120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 49, 56, 68, 70, 76, 85, 95, 98, 119, 133, 136, 140, 152, 170, 190, 196, 238, 245, 266, 280, 323, 331, 340, 380, 392, 476, 490, 532, 595, 646, 662, 665, 680, 760, 833, 931, 952, 980, 1064, 1190, 1292, 1324, 1330, 1615, 1655, 1666, 1862, 1960, 2261, 2317, 2380, 2584, 2648, 2660, 3230, 3310, 3332, 3724, 4165, 4522, 4634, 4655, 4760, 5320, 5627, 6289, 6460, 6620, 6664, 7448, 8330, 9044, 9268, 9310, 11254, 11305, 11585, 12578, 12920, 13240, 15827, 16219, 16660, 18088, 18536, 18620, 22508, 22610, 23170, 25156, 28135, 31445, 31654, 32438, 33320, 37240, 39389, 44023, 45016, 45220, 46340, 50312, 56270, 62890, 63308, 64876, 78778, 79135, 81095, 88046, 90440, 92680, 106913, 112540, 125780, 126616, 129752, 157556, 158270, 162190, 176092, 196945, 213826, 220115, 225080, 251560, 275723, 308161, 315112, 316540, 324380, 352184, 393890, 427652, 440230, 534565, 551446, 616322, 633080, 648760, 748391, 787780, 855304, 880460, 1069130, 1102892, 1232644, 1378615, 1496782, 1540805, 1575560, 1760920, 2138260, 2205784, 2465288, 2757230, 2993564, 3081610, 3741955, 4276520, 5238737, 5514460, 5987128, 6163220, 7483910, 10477474, 11028920, 12326440, 14967820, 20954948, 26193685, 29935640, 41909896, 52387370, 104774740, 209549480]

約数ペア:

[(1, 209549480), (2, 104774740), (4, 52387370), (5, 41909896), (7, 29935640), (8, 26193685), (10, 20954948), (14, 14967820), (17, 12326440), (19, 11028920), (20, 10477474), (28, 7483910), (34, 6163220), (35, 5987128), (38, 5514460), (40, 5238737), (49, 4276520), (56, 3741955), (68, 3081610), (70, 2993564), (76, 2757230), (85, 2465288), (95, 2205784), (98, 2138260), (119, 1760920), (133, 1575560), (136, 1540805), (140, 1496782), (152, 1378615), (170, 1232644), (190, 1102892), (196, 1069130), (238, 880460), (245, 855304), (266, 787780), (280, 748391), (323, 648760), (331, 633080), (340, 616322), (380, 551446), (392, 534565), (476, 440230), (490, 427652), (532, 393890), (595, 352184), (646, 324380), (662, 316540), (665, 315112), (680, 308161), (760, 275723), (833, 251560), (931, 225080), (952, 220115), (980, 213826), (1064, 196945), (1190, 176092), (1292, 162190), (1324, 158270), (1330, 157556), (1615, 129752), (1655, 126616), (1666, 125780), (1862, 112540), (1960, 106913), (2261, 92680), (2317, 90440), (2380, 88046), (2584, 81095), (2648, 79135), (2660, 78778), (3230, 64876), (3310, 63308), (3332, 62890), (3724, 56270), (4165, 50312), (4522, 46340), (4634, 45220), (4655, 45016), (4760, 44023), (5320, 39389), (5627, 37240), (6289, 33320), (6460, 32438), (6620, 31654), (6664, 31445), (7448, 28135), (8330, 25156), (9044, 23170), (9268, 22610), (9310, 22508), (11254, 18620), (11305, 18536), (11585, 18088), (12578, 16660), (12920, 16219), (13240, 15827)]