31150154.000000000

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 285269040

約数和(自身を除く): 167219800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 83, 124, 148, 155, 166, 185, 248, 296, 310, 332, 370, 415, 620, 664, 740, 830, 961, 1147, 1240, 1480, 1660, 1922, 2294, 2573, 3071, 3320, 3844, 4588, 4805, 5146, 5735, 6142, 7688, 9176, 9610, 10292, 11470, 12284, 12865, 15355, 19220, 20584, 22940, 24568, 25730, 30710, 35557, 38440, 45880, 51460, 61420, 71114, 79763, 95201, 102920, 122840, 142228, 159526, 177785, 190402, 284456, 319052, 355570, 380804, 398815, 476005, 638104, 711140, 761608, 797630, 952010, 1422280, 1595260, 1904020, 2951231, 3190520, 3808040, 5902462, 11804924, 14756155, 23609848, 29512310, 59024620, 118049240]

約数ペア:

[(1, 118049240), (2, 59024620), (4, 29512310), (5, 23609848), (8, 14756155), (10, 11804924), (20, 5902462), (31, 3808040), (37, 3190520), (40, 2951231), (62, 1904020), (74, 1595260), (83, 1422280), (124, 952010), (148, 797630), (155, 761608), (166, 711140), (185, 638104), (248, 476005), (296, 398815), (310, 380804), (332, 355570), (370, 319052), (415, 284456), (620, 190402), (664, 177785), (740, 159526), (830, 142228), (961, 122840), (1147, 102920), (1240, 95201), (1480, 79763), (1660, 71114), (1922, 61420), (2294, 51460), (2573, 45880), (3071, 38440), (3320, 35557), (3844, 30710), (4588, 25730), (4805, 24568), (5146, 22940), (5735, 20584), (6142, 19220), (7688, 15355), (9176, 12865), (9610, 12284), (10292, 11470)]