290497480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{877}}^1$

素因数の和:928

約数の個数: 144

約数和(自身を含む): 824257620

約数和(自身を除く): 533760140

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 169, 182, 196, 245, 260, 280, 338, 364, 392, 455, 490, 520, 637, 676, 728, 845, 877, 910, 980, 1183, 1274, 1352, 1690, 1754, 1820, 1960, 2366, 2548, 3185, 3380, 3508, 3640, 4385, 4732, 5096, 5915, 6139, 6370, 6760, 7016, 8281, 8770, 9464, 11401, 11830, 12278, 12740, 16562, 17540, 22802, 23660, 24556, 25480, 30695, 33124, 35080, 41405, 42973, 45604, 47320, 49112, 57005, 61390, 66248, 79807, 82810, 85946, 91208, 114010, 122780, 148213, 159614, 165620, 171892, 214865, 228020, 245560, 296426, 319228, 331240, 343784, 399035, 429730, 456040, 558649, 592852, 638456, 741065, 798070, 859460, 1037491, 1117298, 1185704, 1482130, 1596140, 1718920, 2074982, 2234596, 2793245, 2964260, 3192280, 4149964, 4469192, 5187455, 5586490, 5928520, 7262437, 8299928, 10374910, 11172980, 14524874, 20749820, 22345960, 29049748, 36312185, 41499640, 58099496, 72624370, 145248740, 290497480]

約数ペア:

[(1, 290497480), (2, 145248740), (4, 72624370), (5, 58099496), (7, 41499640), (8, 36312185), (10, 29049748), (13, 22345960), (14, 20749820), (20, 14524874), (26, 11172980), (28, 10374910), (35, 8299928), (40, 7262437), (49, 5928520), (52, 5586490), (56, 5187455), (65, 4469192), (70, 4149964), (91, 3192280), (98, 2964260), (104, 2793245), (130, 2234596), (140, 2074982), (169, 1718920), (182, 1596140), (196, 1482130), (245, 1185704), (260, 1117298), (280, 1037491), (338, 859460), (364, 798070), (392, 741065), (455, 638456), (490, 592852), (520, 558649), (637, 456040), (676, 429730), (728, 399035), (845, 343784), (877, 331240), (910, 319228), (980, 296426), (1183, 245560), (1274, 228020), (1352, 214865), (1690, 171892), (1754, 165620), (1820, 159614), (1960, 148213), (2366, 122780), (2548, 114010), (3185, 91208), (3380, 85946), (3508, 82810), (3640, 79807), (4385, 66248), (4732, 61390), (5096, 57005), (5915, 49112), (6139, 47320), (6370, 45604), (6760, 42973), (7016, 41405), (8281, 35080), (8770, 33124), (9464, 30695), (11401, 25480), (11830, 24556), (12278, 23660), (12740, 22802), (16562, 17540)]