78976300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 187140800

約数和(自身を除く): 108164500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 260, 316, 325, 395, 650, 769, 790, 1027, 1300, 1538, 1580, 1975, 2054, 3076, 3845, 3950, 4108, 5135, 7690, 7900, 9997, 10270, 15380, 19225, 19994, 20540, 25675, 38450, 39988, 49985, 51350, 60751, 76900, 99970, 102700, 121502, 199940, 243004, 249925, 303755, 499850, 607510, 789763, 999700, 1215020, 1518775, 1579526, 3037550, 3159052, 3948815, 6075100, 7897630, 15795260, 19744075, 39488150, 78976300]

約数ペア:

[(1, 78976300), (2, 39488150), (4, 19744075), (5, 15795260), (10, 7897630), (13, 6075100), (20, 3948815), (25, 3159052), (26, 3037550), (50, 1579526), (52, 1518775), (65, 1215020), (79, 999700), (100, 789763), (130, 607510), (158, 499850), (260, 303755), (316, 249925), (325, 243004), (395, 199940), (650, 121502), (769, 102700), (790, 99970), (1027, 76900), (1300, 60751), (1538, 51350), (1580, 49985), (1975, 39988), (2054, 38450), (3076, 25675), (3845, 20540), (3950, 19994), (4108, 19225), (5135, 15380), (7690, 10270), (7900, 9997)]