206219440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1755

約数の個数: 120

約数和(自身を含む): 576070272

約数和(自身を除く): 369850832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1697, 1736, 1960, 2170, 2480, 3038, 3394, 3472, 3920, 4340, 6076, 6788, 7595, 8485, 8680, 11879, 12152, 13576, 15190, 16970, 17360, 23758, 24304, 27152, 30380, 33940, 47516, 52607, 59395, 60760, 67880, 83153, 95032, 105214, 118790, 121520, 135760, 166306, 190064, 210428, 237580, 263035, 332612, 368249, 415765, 420856, 475160, 526070, 665224, 736498, 831530, 841712, 950320, 1052140, 1330448, 1472996, 1663060, 1841245, 2104280, 2577743, 2945992, 3326120, 3682490, 4208560, 5155486, 5891984, 6652240, 7364980, 10310972, 12888715, 14729960, 20621944, 25777430, 29459920, 41243888, 51554860, 103109720, 206219440]

約数ペア:

[(1, 206219440), (2, 103109720), (4, 51554860), (5, 41243888), (7, 29459920), (8, 25777430), (10, 20621944), (14, 14729960), (16, 12888715), (20, 10310972), (28, 7364980), (31, 6652240), (35, 5891984), (40, 5155486), (49, 4208560), (56, 3682490), (62, 3326120), (70, 2945992), (80, 2577743), (98, 2104280), (112, 1841245), (124, 1663060), (140, 1472996), (155, 1330448), (196, 1052140), (217, 950320), (245, 841712), (248, 831530), (280, 736498), (310, 665224), (392, 526070), (434, 475160), (490, 420856), (496, 415765), (560, 368249), (620, 332612), (784, 263035), (868, 237580), (980, 210428), (1085, 190064), (1240, 166306), (1519, 135760), (1697, 121520), (1736, 118790), (1960, 105214), (2170, 95032), (2480, 83153), (3038, 67880), (3394, 60760), (3472, 59395), (3920, 52607), (4340, 47516), (6076, 33940), (6788, 30380), (7595, 27152), (8485, 24304), (8680, 23758), (11879, 17360), (12152, 16970), (13576, 15190)]