285228760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1427}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 678585600

約数和(自身を除く): 393356840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 263, 380, 526, 760, 1052, 1315, 1427, 2104, 2630, 2854, 4997, 5260, 5708, 7135, 9994, 10520, 11416, 14270, 19988, 24985, 27113, 28540, 39976, 49970, 54226, 57080, 99940, 108452, 135565, 199880, 216904, 271130, 375301, 542260, 750602, 1084520, 1501204, 1876505, 3002408, 3753010, 7130719, 7506020, 14261438, 15012040, 28522876, 35653595, 57045752, 71307190, 142614380, 285228760]

約数ペア:

[(1, 285228760), (2, 142614380), (4, 71307190), (5, 57045752), (8, 35653595), (10, 28522876), (19, 15012040), (20, 14261438), (38, 7506020), (40, 7130719), (76, 3753010), (95, 3002408), (152, 1876505), (190, 1501204), (263, 1084520), (380, 750602), (526, 542260), (760, 375301), (1052, 271130), (1315, 216904), (1427, 199880), (2104, 135565), (2630, 108452), (2854, 99940), (4997, 57080), (5260, 54226), (5708, 49970), (7135, 39976), (9994, 28540), (10520, 27113), (11416, 24985), (14270, 19988)]