38613900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9931

約数の個数: 72

約数和(自身を含む): 120329104

約数和(自身を除く): 81715204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 9901, 19802, 29703, 39604, 49505, 59406, 99010, 118812, 128713, 148515, 198020, 247525, 257426, 297030, 386139, 495050, 514852, 594060, 643565, 742575, 772278, 990100, 1287130, 1485150, 1544556, 1930695, 2574260, 2970300, 3217825, 3861390, 6435650, 7722780, 9653475, 12871300, 19306950, 38613900]

約数ペア:

[(1, 38613900), (2, 19306950), (3, 12871300), (4, 9653475), (5, 7722780), (6, 6435650), (10, 3861390), (12, 3217825), (13, 2970300), (15, 2574260), (20, 1930695), (25, 1544556), (26, 1485150), (30, 1287130), (39, 990100), (50, 772278), (52, 742575), (60, 643565), (65, 594060), (75, 514852), (78, 495050), (100, 386139), (130, 297030), (150, 257426), (156, 247525), (195, 198020), (260, 148515), (300, 128713), (325, 118812), (390, 99010), (650, 59406), (780, 49505), (975, 39604), (1300, 29703), (1950, 19802), (3900, 9901)]