64719700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1537

約数の個数: 72

約数和(自身を含む): 154365120

約数和(自身を除く): 89645420

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, 1481, 1748, 1900, 2185, 2300, 2962, 4370, 5924, 7405, 8740, 10925, 14810, 21850, 28139, 29620, 34063, 37025, 43700, 56278, 68126, 74050, 112556, 136252, 140695, 148100, 170315, 281390, 340630, 562780, 647197, 681260, 703475, 851575, 1294394, 1406950, 1703150, 2588788, 2813900, 3235985, 3406300, 6471970, 12943940, 16179925, 32359850, 64719700]

約数ペア:

[(1, 64719700), (2, 32359850), (4, 16179925), (5, 12943940), (10, 6471970), (19, 3406300), (20, 3235985), (23, 2813900), (25, 2588788), (38, 1703150), (46, 1406950), (50, 1294394), (76, 851575), (92, 703475), (95, 681260), (100, 647197), (115, 562780), (190, 340630), (230, 281390), (380, 170315), (437, 148100), (460, 140695), (475, 136252), (575, 112556), (874, 74050), (950, 68126), (1150, 56278), (1481, 43700), (1748, 37025), (1900, 34063), (2185, 29620), (2300, 28139), (2962, 21850), (4370, 14810), (5924, 10925), (7405, 8740)]