28387350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:534

約数の個数: 72

約数和(自身を含む): 76892400

約数和(自身を除く): 48505050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 199, 225, 317, 398, 450, 597, 634, 951, 995, 1194, 1585, 1791, 1902, 1990, 2853, 2985, 3170, 3582, 4755, 4975, 5706, 5970, 7925, 8955, 9510, 9950, 14265, 14925, 15850, 17910, 23775, 28530, 29850, 44775, 47550, 63083, 71325, 89550, 126166, 142650, 189249, 315415, 378498, 567747, 630830, 946245, 1135494, 1577075, 1892490, 2838735, 3154150, 4731225, 5677470, 9462450, 14193675, 28387350]

約数ペア:

[(1, 28387350), (2, 14193675), (3, 9462450), (5, 5677470), (6, 4731225), (9, 3154150), (10, 2838735), (15, 1892490), (18, 1577075), (25, 1135494), (30, 946245), (45, 630830), (50, 567747), (75, 378498), (90, 315415), (150, 189249), (199, 142650), (225, 126166), (317, 89550), (398, 71325), (450, 63083), (597, 47550), (634, 44775), (951, 29850), (995, 28530), (1194, 23775), (1585, 17910), (1791, 15850), (1902, 14925), (1990, 14265), (2853, 9950), (2985, 9510), (3170, 8955), (3582, 7925), (4755, 5970), (4975, 5706)]