1640366900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37537}}^1$

素因数の和:37593

約数の個数: 72

約数和(自身を含む): 3909958080

約数和(自身を除く): 2269591180

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, 21850, 37537, 43700, 75074, 150148, 187685, 375370, 713203, 750740, 863351, 938425, 1426406, 1726702, 1876850, 2852812, 3453404, 3566015, 3753700, 4316755, 7132030, 8633510, 14264060, 16403669, 17267020, 17830075, 21583775, 32807338, 35660150, 43167550, 65614676, 71320300, 82018345, 86335100, 164036690, 328073380, 410091725, 820183450, 1640366900]

約数ペア:

[(1, 1640366900), (2, 820183450), (4, 410091725), (5, 328073380), (10, 164036690), (19, 86335100), (20, 82018345), (23, 71320300), (25, 65614676), (38, 43167550), (46, 35660150), (50, 32807338), (76, 21583775), (92, 17830075), (95, 17267020), (100, 16403669), (115, 14264060), (190, 8633510), (230, 7132030), (380, 4316755), (437, 3753700), (460, 3566015), (475, 3453404), (575, 2852812), (874, 1876850), (950, 1726702), (1150, 1426406), (1748, 938425), (1900, 863351), (2185, 750740), (2300, 713203), (4370, 375370), (8740, 187685), (10925, 150148), (21850, 75074), (37537, 43700)]