207929540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:914

約数の個数: 144

約数和(自身を含む): 576475200

約数和(自身を除く): 368545660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 364, 380, 455, 490, 494, 532, 637, 665, 859, 910, 931, 980, 988, 1235, 1274, 1330, 1718, 1729, 1820, 1862, 2470, 2548, 2660, 3185, 3436, 3458, 3724, 4295, 4655, 4940, 6013, 6370, 6916, 8590, 8645, 9310, 11167, 12026, 12103, 12740, 16321, 17180, 17290, 18620, 22334, 24052, 24206, 30065, 32642, 34580, 42091, 44668, 48412, 55835, 60130, 60515, 65284, 78169, 81605, 84182, 111670, 114247, 120260, 121030, 156338, 163210, 168364, 210455, 212173, 223340, 228494, 242060, 312676, 326420, 390845, 420910, 424346, 456988, 547183, 571235, 781690, 799729, 841820, 848692, 1060865, 1094366, 1142470, 1485211, 1563380, 1599458, 2121730, 2188732, 2284940, 2735915, 2970422, 3198916, 3998645, 4243460, 5471830, 5940844, 7426055, 7997290, 10396477, 10943660, 14852110, 15994580, 20792954, 29704220, 41585908, 51982385, 103964770, 207929540]

約数ペア:

[(1, 207929540), (2, 103964770), (4, 51982385), (5, 41585908), (7, 29704220), (10, 20792954), (13, 15994580), (14, 14852110), (19, 10943660), (20, 10396477), (26, 7997290), (28, 7426055), (35, 5940844), (38, 5471830), (49, 4243460), (52, 3998645), (65, 3198916), (70, 2970422), (76, 2735915), (91, 2284940), (95, 2188732), (98, 2121730), (130, 1599458), (133, 1563380), (140, 1485211), (182, 1142470), (190, 1094366), (196, 1060865), (245, 848692), (247, 841820), (260, 799729), (266, 781690), (364, 571235), (380, 547183), (455, 456988), (490, 424346), (494, 420910), (532, 390845), (637, 326420), (665, 312676), (859, 242060), (910, 228494), (931, 223340), (980, 212173), (988, 210455), (1235, 168364), (1274, 163210), (1330, 156338), (1718, 121030), (1729, 120260), (1820, 114247), (1862, 111670), (2470, 84182), (2548, 81605), (2660, 78169), (3185, 65284), (3436, 60515), (3458, 60130), (3724, 55835), (4295, 48412), (4655, 44668), (4940, 42091), (6013, 34580), (6370, 32642), (6916, 30065), (8590, 24206), (8645, 24052), (9310, 22334), (11167, 18620), (12026, 17290), (12103, 17180), (12740, 16321)]