200905425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 413961600

約数和(自身を除く): 213056175

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 199, 225, 315, 525, 597, 641, 995, 1393, 1575, 1791, 1923, 2985, 3205, 4179, 4487, 4975, 5769, 6965, 8955, 9615, 12537, 13461, 14925, 16025, 20895, 22435, 28845, 34825, 40383, 44775, 48075, 62685, 67305, 104475, 112175, 127559, 144225, 201915, 313425, 336525, 382677, 637795, 892913, 1009575, 1148031, 1913385, 2678739, 3188975, 4464565, 5740155, 8036217, 9566925, 13393695, 22322825, 28700775, 40181085, 66968475, 200905425]

約数ペア:

[(1, 200905425), (3, 66968475), (5, 40181085), (7, 28700775), (9, 22322825), (15, 13393695), (21, 9566925), (25, 8036217), (35, 5740155), (45, 4464565), (63, 3188975), (75, 2678739), (105, 1913385), (175, 1148031), (199, 1009575), (225, 892913), (315, 637795), (525, 382677), (597, 336525), (641, 313425), (995, 201915), (1393, 144225), (1575, 127559), (1791, 112175), (1923, 104475), (2985, 67305), (3205, 62685), (4179, 48075), (4487, 44775), (4975, 40383), (5769, 34825), (6965, 28845), (8955, 22435), (9615, 20895), (12537, 16025), (13461, 14925)]