201919840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:684

約数の個数: 96

約数和(自身を含む): 507064320

約数和(自身を除く): 305144480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 127, 152, 160, 190, 254, 304, 380, 508, 523, 608, 635, 760, 1016, 1046, 1270, 1520, 2032, 2092, 2413, 2540, 2615, 3040, 4064, 4184, 4826, 5080, 5230, 8368, 9652, 9937, 10160, 10460, 12065, 16736, 19304, 19874, 20320, 20920, 24130, 38608, 39748, 41840, 48260, 49685, 66421, 77216, 79496, 83680, 96520, 99370, 132842, 158992, 193040, 198740, 265684, 317984, 332105, 386080, 397480, 531368, 664210, 794960, 1062736, 1261999, 1328420, 1589920, 2125472, 2523998, 2656840, 5047996, 5313680, 6309995, 10095992, 10627360, 12619990, 20191984, 25239980, 40383968, 50479960, 100959920, 201919840]

約数ペア:

[(1, 201919840), (2, 100959920), (4, 50479960), (5, 40383968), (8, 25239980), (10, 20191984), (16, 12619990), (19, 10627360), (20, 10095992), (32, 6309995), (38, 5313680), (40, 5047996), (76, 2656840), (80, 2523998), (95, 2125472), (127, 1589920), (152, 1328420), (160, 1261999), (190, 1062736), (254, 794960), (304, 664210), (380, 531368), (508, 397480), (523, 386080), (608, 332105), (635, 317984), (760, 265684), (1016, 198740), (1046, 193040), (1270, 158992), (1520, 132842), (2032, 99370), (2092, 96520), (2413, 83680), (2540, 79496), (2615, 77216), (3040, 66421), (4064, 49685), (4184, 48260), (4826, 41840), (5080, 39748), (5230, 38608), (8368, 24130), (9652, 20920), (9937, 20320), (10160, 19874), (10460, 19304), (12065, 16736)]