888901700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20341}}^1$

素因数の和:20397

約数の個数: 72

約数和(自身を含む): 2118822720

約数和(自身を除く): 1229921020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 874, 950, 1150, 1748, 1900, 2185, 2300, 4370, 8740, 10925, 20341, 21850, 40682, 43700, 81364, 101705, 203410, 386479, 406820, 467843, 508525, 772958, 935686, 1017050, 1545916, 1871372, 1932395, 2034100, 2339215, 3864790, 4678430, 7729580, 8889017, 9356860, 9661975, 11696075, 17778034, 19323950, 23392150, 35556068, 38647900, 44445085, 46784300, 88890170, 177780340, 222225425, 444450850, 888901700]

約数ペア:

[(1, 888901700), (2, 444450850), (4, 222225425), (5, 177780340), (10, 88890170), (19, 46784300), (20, 44445085), (23, 38647900), (25, 35556068), (38, 23392150), (46, 19323950), (50, 17778034), (76, 11696075), (92, 9661975), (95, 9356860), (100, 8889017), (115, 7729580), (190, 4678430), (230, 3864790), (380, 2339215), (437, 2034100), (460, 1932395), (475, 1871372), (575, 1545916), (874, 1017050), (950, 935686), (1150, 772958), (1748, 508525), (1900, 467843), (2185, 406820), (2300, 386479), (4370, 203410), (8740, 101705), (10925, 81364), (20341, 43700), (21850, 40682)]