81187700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3209}}^1$

素因数の和:3257

約数の個数: 72

約数和(自身を含む): 200612160

約数和(自身を除く): 119424460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2300, 2530, 3209, 5060, 6325, 6418, 12650, 12836, 16045, 25300, 32090, 35299, 64180, 70598, 73807, 80225, 141196, 147614, 160450, 176495, 295228, 320900, 352990, 369035, 705980, 738070, 811877, 882475, 1476140, 1623754, 1764950, 1845175, 3247508, 3529900, 3690350, 4059385, 7380700, 8118770, 16237540, 20296925, 40593850, 81187700]

約数ペア:

[(1, 81187700), (2, 40593850), (4, 20296925), (5, 16237540), (10, 8118770), (11, 7380700), (20, 4059385), (22, 3690350), (23, 3529900), (25, 3247508), (44, 1845175), (46, 1764950), (50, 1623754), (55, 1476140), (92, 882475), (100, 811877), (110, 738070), (115, 705980), (220, 369035), (230, 352990), (253, 320900), (275, 295228), (460, 176495), (506, 160450), (550, 147614), (575, 141196), (1012, 80225), (1100, 73807), (1150, 70598), (1265, 64180), (2300, 35299), (2530, 32090), (3209, 25300), (5060, 16045), (6325, 12836), (6418, 12650)]