221656860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{42463}}^1$

素因数の和:42507

約数の個数: 72

約数和(自身を含む): 695560320

約数和(自身を除く): 473903460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 42463, 84926, 127389, 169852, 212315, 254778, 382167, 424630, 509556, 636945, 764334, 849260, 1231427, 1273890, 1528668, 1910835, 2462854, 2547780, 3694281, 3821670, 4925708, 6157135, 7388562, 7643340, 11082843, 12314270, 14777124, 18471405, 22165686, 24628540, 36942810, 44331372, 55414215, 73885620, 110828430, 221656860]

約数ペア:

[(1, 221656860), (2, 110828430), (3, 73885620), (4, 55414215), (5, 44331372), (6, 36942810), (9, 24628540), (10, 22165686), (12, 18471405), (15, 14777124), (18, 12314270), (20, 11082843), (29, 7643340), (30, 7388562), (36, 6157135), (45, 4925708), (58, 3821670), (60, 3694281), (87, 2547780), (90, 2462854), (116, 1910835), (145, 1528668), (174, 1273890), (180, 1231427), (261, 849260), (290, 764334), (348, 636945), (435, 509556), (522, 424630), (580, 382167), (870, 254778), (1044, 212315), (1305, 169852), (1740, 127389), (2610, 84926), (5220, 42463)]