2116749700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{20611}}^1$

素因数の和:20717

約数の個数: 72

約数和(自身を含む): 5009540480

約数和(自身を除く): 2892790780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 260, 316, 325, 395, 650, 790, 1027, 1300, 1580, 1975, 2054, 3950, 4108, 5135, 7900, 10270, 20540, 20611, 25675, 41222, 51350, 82444, 102700, 103055, 206110, 267943, 412220, 515275, 535886, 1030550, 1071772, 1339715, 1628269, 2061100, 2679430, 3256538, 5358860, 6513076, 6698575, 8141345, 13397150, 16282690, 21167497, 26794300, 32565380, 40706725, 42334994, 81413450, 84669988, 105837485, 162826900, 211674970, 423349940, 529187425, 1058374850, 2116749700]

約数ペア:

[(1, 2116749700), (2, 1058374850), (4, 529187425), (5, 423349940), (10, 211674970), (13, 162826900), (20, 105837485), (25, 84669988), (26, 81413450), (50, 42334994), (52, 40706725), (65, 32565380), (79, 26794300), (100, 21167497), (130, 16282690), (158, 13397150), (260, 8141345), (316, 6698575), (325, 6513076), (395, 5358860), (650, 3256538), (790, 2679430), (1027, 2061100), (1300, 1628269), (1580, 1339715), (1975, 1071772), (2054, 1030550), (3950, 535886), (4108, 515275), (5135, 412220), (7900, 267943), (10270, 206110), (20540, 103055), (20611, 102700), (25675, 82444), (41222, 51350)]