161036921300

素因数分解:

$2^2\times 5^2\times {\mathrm{439}}^1\times {\mathrm{1723}}^1\times {\mathrm{2129}}^1$

素因数の和:4305

約数の個数: 72

約数和(自身を含む): 350614017600

約数和(自身を除く): 189577096300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 439, 878, 1723, 1756, 2129, 2195, 3446, 4258, 4390, 6892, 8516, 8615, 8780, 10645, 10975, 17230, 21290, 21950, 34460, 42580, 43075, 43900, 53225, 86150, 106450, 172300, 212900, 756397, 934631, 1512794, 1869262, 3025588, 3668267, 3738524, 3781985, 4673155, 7336534, 7563970, 9346310, 14673068, 15127940, 18341335, 18692620, 18909925, 23365775, 36682670, 37819850, 46731550, 73365340, 75639700, 91706675, 93463100, 183413350, 366826700, 1610369213, 3220738426, 6441476852, 8051846065, 16103692130, 32207384260, 40259230325, 80518460650, 161036921300]

約数ペア:

[(1, 161036921300), (2, 80518460650), (4, 40259230325), (5, 32207384260), (10, 16103692130), (20, 8051846065), (25, 6441476852), (50, 3220738426), (100, 1610369213), (439, 366826700), (878, 183413350), (1723, 93463100), (1756, 91706675), (2129, 75639700), (2195, 73365340), (3446, 46731550), (4258, 37819850), (4390, 36682670), (6892, 23365775), (8516, 18909925), (8615, 18692620), (8780, 18341335), (10645, 15127940), (10975, 14673068), (17230, 9346310), (21290, 7563970), (21950, 7336534), (34460, 4673155), (42580, 3781985), (43075, 3738524), (43900, 3668267), (53225, 3025588), (86150, 1869262), (106450, 1512794), (172300, 934631), (212900, 756397)]