249911480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1069

約数の個数: 128

約数和(自身を含む): 702535680

約数和(自身を除く): 452624200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 710, 728, 910, 923, 967, 994, 1420, 1820, 1846, 1934, 1988, 2485, 2840, 3640, 3692, 3868, 3976, 4615, 4835, 4970, 6461, 6769, 7384, 7736, 9230, 9670, 9940, 12571, 12922, 13538, 18460, 19340, 19880, 25142, 25844, 27076, 32305, 33845, 36920, 38680, 50284, 51688, 54152, 62855, 64610, 67690, 68657, 87997, 100568, 125710, 129220, 135380, 137314, 175994, 251420, 258440, 270760, 274628, 343285, 351988, 439985, 480599, 502840, 549256, 686570, 703976, 879970, 892541, 961198, 1373140, 1759940, 1785082, 1922396, 2402995, 2746280, 3519880, 3570164, 3844792, 4462705, 4805990, 6247787, 7140328, 8925410, 9611980, 12495574, 17850820, 19223960, 24991148, 31238935, 35701640, 49982296, 62477870, 124955740, 249911480]

約数ペア:

[(1, 249911480), (2, 124955740), (4, 62477870), (5, 49982296), (7, 35701640), (8, 31238935), (10, 24991148), (13, 19223960), (14, 17850820), (20, 12495574), (26, 9611980), (28, 8925410), (35, 7140328), (40, 6247787), (52, 4805990), (56, 4462705), (65, 3844792), (70, 3570164), (71, 3519880), (91, 2746280), (104, 2402995), (130, 1922396), (140, 1785082), (142, 1759940), (182, 1373140), (260, 961198), (280, 892541), (284, 879970), (355, 703976), (364, 686570), (455, 549256), (497, 502840), (520, 480599), (568, 439985), (710, 351988), (728, 343285), (910, 274628), (923, 270760), (967, 258440), (994, 251420), (1420, 175994), (1820, 137314), (1846, 135380), (1934, 129220), (1988, 125710), (2485, 100568), (2840, 87997), (3640, 68657), (3692, 67690), (3868, 64610), (3976, 62855), (4615, 54152), (4835, 51688), (4970, 50284), (6461, 38680), (6769, 36920), (7384, 33845), (7736, 32305), (9230, 27076), (9670, 25844), (9940, 25142), (12571, 19880), (12922, 19340), (13538, 18460)]