1791400520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{941}}^1$

素因数の和:1495

約数の個数: 128

約数和(自身を含む): 4975568640

約数和(自身を除く): 3184168120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 523, 728, 910, 941, 1046, 1820, 1882, 2092, 2615, 3640, 3661, 3764, 4184, 4705, 5230, 6587, 6799, 7322, 7528, 9410, 10460, 12233, 13174, 13598, 14644, 18305, 18820, 20920, 24466, 26348, 27196, 29288, 32935, 33995, 36610, 37640, 47593, 48932, 52696, 54392, 61165, 65870, 67990, 73220, 85631, 95186, 97864, 122330, 131740, 135980, 146440, 171262, 190372, 237965, 244660, 263480, 271960, 342524, 380744, 428155, 475930, 489320, 492143, 685048, 856310, 951860, 984286, 1712620, 1903720, 1968572, 2460715, 3425240, 3445001, 3937144, 4921430, 6397859, 6890002, 9842860, 12795718, 13780004, 17225005, 19685720, 25591436, 27560008, 31989295, 34450010, 44785013, 51182872, 63978590, 68900020, 89570026, 127957180, 137800040, 179140052, 223925065, 255914360, 358280104, 447850130, 895700260, 1791400520]

約数ペア:

[(1, 1791400520), (2, 895700260), (4, 447850130), (5, 358280104), (7, 255914360), (8, 223925065), (10, 179140052), (13, 137800040), (14, 127957180), (20, 89570026), (26, 68900020), (28, 63978590), (35, 51182872), (40, 44785013), (52, 34450010), (56, 31989295), (65, 27560008), (70, 25591436), (91, 19685720), (104, 17225005), (130, 13780004), (140, 12795718), (182, 9842860), (260, 6890002), (280, 6397859), (364, 4921430), (455, 3937144), (520, 3445001), (523, 3425240), (728, 2460715), (910, 1968572), (941, 1903720), (1046, 1712620), (1820, 984286), (1882, 951860), (2092, 856310), (2615, 685048), (3640, 492143), (3661, 489320), (3764, 475930), (4184, 428155), (4705, 380744), (5230, 342524), (6587, 271960), (6799, 263480), (7322, 244660), (7528, 237965), (9410, 190372), (10460, 171262), (12233, 146440), (13174, 135980), (13598, 131740), (14644, 122330), (18305, 97864), (18820, 95186), (20920, 85631), (24466, 73220), (26348, 67990), (27196, 65870), (29288, 61165), (32935, 54392), (33995, 52696), (36610, 48932), (37640, 47593)]