156931640540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{780211}}^1$

素因数の和:780422

約数の個数: 48

約数和(自身を含む): 336208955040

約数和(自身を除く): 179277314500

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 226, 356, 445, 452, 565, 890, 1130, 1780, 2260, 10057, 20114, 40228, 50285, 100570, 201140, 780211, 1560422, 3120844, 3901055, 7802110, 15604220, 69438779, 88163843, 138877558, 176327686, 277755116, 347193895, 352655372, 440819215, 694387790, 881638430, 1388775580, 1763276860, 7846582027, 15693164054, 31386328108, 39232910135, 78465820270, 156931640540]

約数ペア:

[(1, 156931640540), (2, 78465820270), (4, 39232910135), (5, 31386328108), (10, 15693164054), (20, 7846582027), (89, 1763276860), (113, 1388775580), (178, 881638430), (226, 694387790), (356, 440819215), (445, 352655372), (452, 347193895), (565, 277755116), (890, 176327686), (1130, 138877558), (1780, 88163843), (2260, 69438779), (10057, 15604220), (20114, 7802110), (40228, 3901055), (50285, 3120844), (100570, 1560422), (201140, 780211)]