31389710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 67806720

約数和(自身を除く): 36417010

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 506, 653, 874, 1045, 1265, 1306, 2090, 2185, 2530, 3265, 4370, 4807, 6530, 7183, 9614, 12407, 14366, 15019, 24035, 24814, 30038, 35915, 48070, 62035, 71830, 75095, 124070, 136477, 150190, 165209, 272954, 285361, 330418, 570722, 682385, 826045, 1364770, 1426805, 1652090, 2853610, 3138971, 6277942, 15694855, 31389710]

約数ペア:

[(1, 31389710), (2, 15694855), (5, 6277942), (10, 3138971), (11, 2853610), (19, 1652090), (22, 1426805), (23, 1364770), (38, 826045), (46, 682385), (55, 570722), (95, 330418), (110, 285361), (115, 272954), (190, 165209), (209, 150190), (230, 136477), (253, 124070), (418, 75095), (437, 71830), (506, 62035), (653, 48070), (874, 35915), (1045, 30038), (1265, 24814), (1306, 24035), (2090, 15019), (2185, 14366), (2530, 12407), (3265, 9614), (4370, 7183), (4807, 6530)]