157349780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{523}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 386372448

約数和(自身を除く): 229022668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 307, 490, 523, 614, 980, 1046, 1228, 1535, 2092, 2149, 2615, 3070, 3661, 4298, 5230, 6140, 7322, 8596, 10460, 10745, 14644, 15043, 18305, 21490, 25627, 30086, 36610, 42980, 51254, 60172, 73220, 75215, 102508, 128135, 150430, 160561, 256270, 300860, 321122, 512540, 642244, 802805, 1123927, 1605610, 2247854, 3211220, 4495708, 5619635, 7867489, 11239270, 15734978, 22478540, 31469956, 39337445, 78674890, 157349780]

約数ペア:

[(1, 157349780), (2, 78674890), (4, 39337445), (5, 31469956), (7, 22478540), (10, 15734978), (14, 11239270), (20, 7867489), (28, 5619635), (35, 4495708), (49, 3211220), (70, 2247854), (98, 1605610), (140, 1123927), (196, 802805), (245, 642244), (307, 512540), (490, 321122), (523, 300860), (614, 256270), (980, 160561), (1046, 150430), (1228, 128135), (1535, 102508), (2092, 75215), (2149, 73220), (2615, 60172), (3070, 51254), (3661, 42980), (4298, 36610), (5230, 30086), (6140, 25627), (7322, 21490), (8596, 18305), (10460, 15043), (10745, 14644)]