38920420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 103219200

約数和(自身を除く): 64298780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 127, 140, 154, 199, 220, 254, 308, 385, 398, 508, 635, 770, 796, 889, 995, 1270, 1393, 1397, 1540, 1778, 1990, 2189, 2540, 2786, 2794, 3556, 3980, 4378, 4445, 5572, 5588, 6965, 6985, 8756, 8890, 9779, 10945, 13930, 13970, 15323, 17780, 19558, 21890, 25273, 27860, 27940, 30646, 39116, 43780, 48895, 50546, 61292, 76615, 97790, 101092, 126365, 153230, 176911, 195580, 252730, 278003, 306460, 353822, 505460, 556006, 707644, 884555, 1112012, 1390015, 1769110, 1946021, 2780030, 3538220, 3892042, 5560060, 7784084, 9730105, 19460210, 38920420]

約数ペア:

[(1, 38920420), (2, 19460210), (4, 9730105), (5, 7784084), (7, 5560060), (10, 3892042), (11, 3538220), (14, 2780030), (20, 1946021), (22, 1769110), (28, 1390015), (35, 1112012), (44, 884555), (55, 707644), (70, 556006), (77, 505460), (110, 353822), (127, 306460), (140, 278003), (154, 252730), (199, 195580), (220, 176911), (254, 153230), (308, 126365), (385, 101092), (398, 97790), (508, 76615), (635, 61292), (770, 50546), (796, 48895), (889, 43780), (995, 39116), (1270, 30646), (1393, 27940), (1397, 27860), (1540, 25273), (1778, 21890), (1990, 19558), (2189, 17780), (2540, 15323), (2786, 13970), (2794, 13930), (3556, 10945), (3980, 9779), (4378, 8890), (4445, 8756), (5572, 6985), (5588, 6965)]