408869380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{6043}}^1$

素因数の和:6268

約数の個数: 48

約数和(自身を含む): 913852800

約数和(自身を除く): 504983420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 995, 1990, 3383, 3980, 6043, 6766, 12086, 13532, 16915, 24172, 30215, 33830, 60430, 67660, 102731, 120860, 205462, 410924, 513655, 1027310, 1202557, 2054620, 2405114, 4810228, 6012785, 12025570, 20443469, 24051140, 40886938, 81773876, 102217345, 204434690, 408869380]

約数ペア:

[(1, 408869380), (2, 204434690), (4, 102217345), (5, 81773876), (10, 40886938), (17, 24051140), (20, 20443469), (34, 12025570), (68, 6012785), (85, 4810228), (170, 2405114), (199, 2054620), (340, 1202557), (398, 1027310), (796, 513655), (995, 410924), (1990, 205462), (3383, 120860), (3980, 102731), (6043, 67660), (6766, 60430), (12086, 33830), (13532, 30215), (16915, 24172)]