90869780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 216034560

約数和(自身を除く): 125164780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 37, 38, 46, 74, 76, 92, 95, 115, 148, 185, 190, 230, 281, 370, 380, 437, 460, 562, 703, 740, 851, 874, 1124, 1405, 1406, 1702, 1748, 2185, 2810, 2812, 3404, 3515, 4255, 4370, 5339, 5620, 6463, 7030, 8510, 8740, 10397, 10678, 12926, 14060, 16169, 17020, 20794, 21356, 25852, 26695, 32315, 32338, 41588, 51985, 53390, 64630, 64676, 80845, 103970, 106780, 122797, 129260, 161690, 197543, 207940, 239131, 245594, 323380, 395086, 478262, 491188, 613985, 790172, 956524, 987715, 1195655, 1227970, 1975430, 2391310, 2455940, 3950860, 4543489, 4782620, 9086978, 18173956, 22717445, 45434890, 90869780]

約数ペア:

[(1, 90869780), (2, 45434890), (4, 22717445), (5, 18173956), (10, 9086978), (19, 4782620), (20, 4543489), (23, 3950860), (37, 2455940), (38, 2391310), (46, 1975430), (74, 1227970), (76, 1195655), (92, 987715), (95, 956524), (115, 790172), (148, 613985), (185, 491188), (190, 478262), (230, 395086), (281, 323380), (370, 245594), (380, 239131), (437, 207940), (460, 197543), (562, 161690), (703, 129260), (740, 122797), (851, 106780), (874, 103970), (1124, 80845), (1405, 64676), (1406, 64630), (1702, 53390), (1748, 51985), (2185, 41588), (2810, 32338), (2812, 32315), (3404, 26695), (3515, 25852), (4255, 21356), (4370, 20794), (5339, 17020), (5620, 16169), (6463, 14060), (7030, 12926), (8510, 10678), (8740, 10397)]