400622740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1499}}^1$

素因数の和:1621

約数の個数: 96

約数和(自身を含む): 1016064000

約数和(自身を除く): 615441260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 83, 92, 115, 140, 161, 166, 230, 322, 332, 415, 460, 581, 644, 805, 830, 1162, 1499, 1610, 1660, 1909, 2324, 2905, 2998, 3220, 3818, 5810, 5996, 7495, 7636, 9545, 10493, 11620, 13363, 14990, 19090, 20986, 26726, 29980, 34477, 38180, 41972, 52465, 53452, 66815, 68954, 104930, 124417, 133630, 137908, 172385, 209860, 241339, 248834, 267260, 344770, 482678, 497668, 622085, 689540, 870919, 965356, 1206695, 1244170, 1741838, 2413390, 2488340, 2861591, 3483676, 4354595, 4826780, 5723182, 8709190, 11446364, 14307955, 17418380, 20031137, 28615910, 40062274, 57231820, 80124548, 100155685, 200311370, 400622740]

約数ペア:

[(1, 400622740), (2, 200311370), (4, 100155685), (5, 80124548), (7, 57231820), (10, 40062274), (14, 28615910), (20, 20031137), (23, 17418380), (28, 14307955), (35, 11446364), (46, 8709190), (70, 5723182), (83, 4826780), (92, 4354595), (115, 3483676), (140, 2861591), (161, 2488340), (166, 2413390), (230, 1741838), (322, 1244170), (332, 1206695), (415, 965356), (460, 870919), (581, 689540), (644, 622085), (805, 497668), (830, 482678), (1162, 344770), (1499, 267260), (1610, 248834), (1660, 241339), (1909, 209860), (2324, 172385), (2905, 137908), (2998, 133630), (3220, 124417), (3818, 104930), (5810, 68954), (5996, 66815), (7495, 53452), (7636, 52465), (9545, 41972), (10493, 38180), (11620, 34477), (13363, 29980), (14990, 26726), (19090, 20986)]