77808250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 159213600

約数和(自身を除く): 81405350

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 125, 130, 178, 250, 269, 325, 445, 538, 650, 890, 1157, 1345, 1625, 2225, 2314, 2690, 3250, 3497, 4450, 5785, 6725, 6994, 11125, 11570, 13450, 17485, 22250, 23941, 28925, 33625, 34970, 47882, 57850, 67250, 87425, 119705, 144625, 174850, 239410, 289250, 311233, 437125, 598525, 622466, 874250, 1197050, 1556165, 2992625, 3112330, 5985250, 7780825, 15561650, 38904125, 77808250]

約数ペア:

[(1, 77808250), (2, 38904125), (5, 15561650), (10, 7780825), (13, 5985250), (25, 3112330), (26, 2992625), (50, 1556165), (65, 1197050), (89, 874250), (125, 622466), (130, 598525), (178, 437125), (250, 311233), (269, 289250), (325, 239410), (445, 174850), (538, 144625), (650, 119705), (890, 87425), (1157, 67250), (1345, 57850), (1625, 47882), (2225, 34970), (2314, 33625), (2690, 28925), (3250, 23941), (3497, 22250), (4450, 17485), (5785, 13450), (6725, 11570), (6994, 11125)]